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Maths Quotes

I have often admired the mystical way of Pythagoras, and the secret magic of numbers.

Sir Thomas Browne

"Pure mathematics is, in its way, the poetry of logical ideas."

Albert Einstein

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(1 Month ago) "Other"

The 'digital sum' of the year 1947 is 1+9+4+7 = 21, and 21 is not a perfect square. How many years 1800 and 1999 have a square 'digital sum'?

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(3 Months ago) "Other"

(i) X, Y, Z, P and Rare sitting in a row in front of a camera. (ii) X is on the left of the person sitting in the centre, but is on the right of Y. (iii) Z is on the right of P and R is on the right of Z. (iv) R is the second person from the person sitting in the centre Who is between X and 2?

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(3 Months ago) "Other"

The square of a two digit number is divided by half the number. After 36 is added to the quotient, this sum is then divided by 2. The digits of the resulting number are the same as those in the original number, but they are in reverse order. How many numbers fulfill the above criteria?

21

24

02

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(4 Months ago) "Other"

Directions for questions Treat each question independently.

2 rice varieties costing Rs 25 per kg and Rs 35 per kg were mixed in the ratio 2: 3 and sold so as to gain 20%. What was the SP of the mixture (Rs/kg)?

37.2

028.6

30

32

40.5

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to (7 Months ago) "Other"

Is Java a pure object-oriented language?

Reply Like? Yes (1) | No

(8 Months ago) "Other"

Shanti's school normally FINISHES AT 4 PM. her mom drives from home to pick her up, reaching the school exactly at 4 pm. one day, a half holiday is announced and the School finishes for the day at 1 pm. Rather than sitting and Waiting , Shanti decides to start walking towards home. Her mother meets her along the way and as a result they reach home an hour earlier than normal. what is the ratio of the Shanti's walking speed to her mother's driving Speed?

Reply Like? Yes (1) | No

(9 Months ago) "Other"

Consider the series given below:

CQZYXJOVAETXMPBWFQNRBEVWC

In the given series, which one of the letter given in options will be the fourth to the left of fifth to the right of ninth to the left of fifth to the right of fourteenth from the right end?

V

A

F

Settings

Reply Like? Yes (13) | No (2)

(9 Months ago) "Other"

Question Number 8

If 49,000,000 has K' odd divisors, How many odd divisors does the number 21,000,000 have?

2

O4 4 /3^ * K

2 ^ * K

7 /3^ * K

1 /2^ * K

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(9 Months ago) "Other"

P sells an article to Q at 10% profit. If P purchased it at 10% less and dispose off it for Rs 2 less, then P would have profit of 16 (2/3)%. At what price did P purchase the article ?

what is the answer of it

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(10 Months ago) "Other"

Rashed can stuff advertising circulars into envelopes at the rate of 45 envelopes per minute and Reena require a minute and a half to stuff the same number of envelopes. Working together, how long will it take Rashed and Reena to stuff 300 envelopes?

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(10 Months ago) "Other"

Find the interest on Rs.1000 at 5% for 10 years

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(9 Months ago)

interest for 1 year =1000(5/100)=50
interest for 10 years= 10(50)=500

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(11 Months ago) "Other"

Either Himesh or Mika has more than 100 songs on their respective i-pods. It is also noticed that one of them has at least 150% and at most 250% of what the other has. What is the minimum number of songs that the two could have put together?

168

167

141

127

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(1 year ago) "Other"

The sum of the number of factors of N and that of N2 is 34. If N< 150, how many values can N have?

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(1 year ago) "Other"

The circle O having a diameter of 2cm, has a square inscribed in it. Each side of the square is then taken as a diameter to form 4 smaller circles O". Find the total area of all four O" circles which is outside the circle 0.

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(1 year ago) "Other"

3,4,12,45,196__
a. 1100 b.1005 c.1005 d.1092

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(1 year ago)

3x1 + 1^2 = 4
4x2 + 2^2 = 12
12x3 + 3^2 = 45
45x4 + 4^2 = 196
196x5 + 5^2 = 1005 (Correct Option c)

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(1 year ago) "Other"

The greatest r digit number abcd which when divided by 10,15,and 35

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(1 year ago) "Other"

20 रुपये में 20 किलो
मछली 1 किलो मछली 20 रुपये
1 किलो प्याज 1 रुपये
1 किलो चीनी 25 पैसे के साथ खरीदना है..आपको हर एक खरीदना चाहिए ताकि कुल वजन 20 किलो हो जाए आपके पास 20 रुपये हैं

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(1 year ago) "Other"

😀 😃 😄 😁 😆 😅 😂 🤣 🥲 🥹 ☺️ 😊 😇 🙂 🙃 😉 😌 😍 🥰 😘 😗 😙 😚 😋 😛 😝 😜 🤪 🤨 🧐 🤓 😎 🥸 🤩 🥳 😏 😒 😞 😔 😟 😕 🙁 ☹️ 😣 😖 😫 😩 🥺 😢 😭 😮‍💨 😤 😠 😡 🤬 🤯 😳 🥵 🥶 😱 😨 😰 😥 😓 🫣 🤗 🫡 🤔 🫢 🤭 🤫 🤥 😶 😶‍🌫️ 😐 😑 😬 🫠 🙄 😯 😦 😧 😮 😲 🥱 😴 🤤 😪 😵 😵‍💫 🫥 🤐 🥴 🤢 🤮 🤧 😷 🤒 🤕 🤑 🤠 😈 👿 👹 👺 🤡 💩 👻 💀 ☠️ 👽 👾 🤖 🎃 😺 😸 😹 😻 😼 😽 🙀 😿 😾

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(1 year ago) "Other"

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(1 year ago) "Other"

ARe you a nerd yes or no?

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(1 year ago) "Other"

DO you like math?

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(1 year ago) "Other"

sukywukymywukysuky

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to (1 year ago) "Other"

let us discuss the known math problem ma psy so whet

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(1 year ago) "Other"

Guys i really need help with 1+1+1= x like wtf is x supposed to mean

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to (1 year ago) "Other"

100 students appeared for two examination. 60 passed the first, 50 passed the second and 30 passed the both. Find the probability that a student selected at random had failed in both the examination?

(A) 1/5 (B) 1/7 (C) 5/7 (D) 5/6

Reply Like? Yes | No (2)

(1 year ago)

Number of passed only in 1st = 60-30 = 30
Number of passed only in 2nd = 50-30 = 20
Total passed atleast in one exam = 30 + 20 + 30 = 80
Total failed in both = 100 - 80 = 20
Therefore required probability = 20/100 = 1/5

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(1 year ago)

Both failed =100-(60+50-30)=20
Probability=20/100=1/5

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(1 year ago) "Other"

How many of the first 1200 natural numbers are either prime to 6 or to 15?

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(1 year ago) "Other"

Two friends decide

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(1 year ago)

Two friends decide to get together; so they start riding bikes towards each other. They plan to meet halfway. Each is riding at 6 MPH. They live 36 miles apart. One of them has a pet carrier pigeon and it starts flying the instant the friends start traveling. The pigeon flies back and forth at 18 MPH between the 2 friends until the friends meet.
How many miles does the pigeon travel

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(1 year ago)

Ans: 54 miles

Let two friends are A and B, who lives 36 miles apart.
Case-I (Pigeon first flies from B towards A)
Relative speed of Pigeon and A = 18+6 = 24 mph. Time of meeting Pigeon and A=36/24=3/2 hr.
In time 3/2 hrs, distance traveled by A & B=2*6*3/2=18 miles, Remaining distance=36-18=18 miles.
Case-II (Pigeon then flies from A towards B)
Relative speed of Pigeon and B = 18+6 = 24 mph. Time of meeting Pigeon and B=18/24=3/4 hr.
In time 3/4 hrs, distance traveled by A & B=2*6*3/4=9 miles, Remaining distance=18-9=9 miles.
Case-III (Pigeon first flies from B towards A)
Relative speed of Pigeon and A = 18+6 = 24 mph. Time of meeting Pigeon and A=9/24=3/8 hr.
In time 3/8 hrs, distance traveled by A & B=2*6*3/8=9/2 miles, Remaining distance=9 - 9/2=9/2 miles.
Case-IV (Pigeon then flies from A towards B)
Relative speed of Pigeon and B = 18+6 = 24 mph. Time of meeting Pigeon and B=(9/2)/24=3/16 hr.
In time 3/16 hrs, distance traveled by A & B=2*6*3/16=9/4 miles, Remaining distance=(9/2)-(9/4)=9/4 miles.

Thus Pigeon we fly between A and B, for 3/2, 3/4, 3/8, 3/16, ..... hrs (which forms series) until both the friends meets. Therefore total distance traveled by Pigeon=18*(3/2 + 3/4 + 3/8 + 3/16 + ......)=18*3*(~1)=54 miles.

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(1 year ago) "Other"

There are 50 employees in a Max. Mink Co. The salaries of 15 of them were each decreased by 10%, and the salary of the rest were each decreased by 5%. Find the percentage decrease in the total salary of the employees.

Reply Like? Yes (8) | No (2)

(1 year ago)

Let initial salary of each employee be 1.
Total decrease in salary = 50 - [(15*0.9) + (35*0.95)] = 3.25
% Decrease in total salary = (3.25/50)*100 = 6.5%

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(1 year ago)

Let ₹100 is the salary of each
15 persons decrease by 10%=> salary =₹90
35 persons salary decreased by 5%=> salary =₹95
Total salary =15*90+35*95=₹1350+₹3325
=₹4675
Less by₹325=>%of less =(325/5000)100
325/50=13/2=>6.5%

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to (1 year ago) "Other"

Hi mam , How are you

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(1 year ago) "Other"

https://www.hghvallartaclinic.com/growth-hormones-for-kids/

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(1 year ago) "Other"

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(1 year ago) "Other"

If TO + NO = TOO, find the value of O.

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(1 year ago)

O=0

10
+90
-------
100

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(1 year ago) "Other"

The proportion of alcohol and water in 3 samples is 3:5, 2:3 and 1:4. A mixture comprising of equal quantities of all three samples is made. The proportion of alcohol and water in the mixture is

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(1 year ago)

Proportion of alcohol in 3 samples is 3/8, 2/5, 1/5 or 15/40, 16/40, 8/40 respectively
Proportion of water in 3 samples is 5/8, 3/5, 4/5 or 25/40, 24/40, 32/40 respectively
So, when equal quantity of all samples is taken, ratio of alcohol & water = (15+16+8) : (25+24+32) = 39 : 81 = 13 : 27

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(1 year ago) "Other"

1. A sample poll of 200 voters revealed the following information concerning three candidates A,B and C of a certain party who were running for three different offices.

28 in favour of both A and B, 42 in favour of B not A or C, 98 in favour of AorB but not C, 122 in favour of B or C but not A, 64 in favour of C but not A or B, 14 in favour of A and C but not B.

How many of the voters were in favour of all the three candidates?

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(1 year ago) "Other"

https://www.fieldengineer.com/sd-wan/what-is-sd-wan

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(1 year ago) "Other"

visit us @ https://www.fieldengineer.com/sd-wan/what-is-sd-wan

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(1 year ago) "Other"

https://www.fieldengineer.com/sd-wan/what-is-sd-wan

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(1 year ago) "Other"

I was born in a century in which the last year of the previous century was a leap year. I was born in the first year after the first leap year of the century. I was born after 1200 A.D. and before 2000 A.D. What is the year of my birth?

Pls Solve

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(1 year ago)

Between year 1200 and 2000, leap century year will be 1600 (Century divisible by 400)
First leap year after 1600 is 1604.
So year of birth is 1 year after 1604 i. e. 1605.

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(1 year ago) "Other"

Pls.can anyone send me
Python programming sample paper of class ix with solutions on mail
ishitjainitcreator@gmail.com

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(1 year ago) "Other"

0 6 6 20 20 42 ??????

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(1 year ago)

first term = 0*1 =0
second term 1*0 =0
third term: 2*3 =6
fourth term: 3*2 = 6
fifth term: 4*5 =20
sixth term : 5*4 =20
seventh term 6*7 = 42
Eight term 7*6 = 42
Nineth term 8*9 = 72
tenth term 9*8 = 72

hence correct answer is 72

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(1 year ago) "Other"

4. Pipe A can fill in 20 minutes and Pipe B in 30 mins and Pipe C can empty the same in 0 mins. If all of them work together, find the

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(1 year ago) "Other"

. A vessel contains mixture of milk and water in the ratio of 7:1 respectively. 24 liters mixture
is removed from the vessel and if the quantity of remaining milk in the vessel is 56 liters, then find
quantity of water in the vessel initially.

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(1 year ago)

Ans: 11 liters

Let, initial mixture contains milk=7x and water=x
Then, quantity of remaining milk after removing 24 liters of mixture=7x - 24*(7/8)=56
56x - 168 = 448
x = 11
.'. Quantity of water in initial mixture = x = 11 liters.

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(1 year ago)

Very simple 11lts.
After removing 24 lts the mixture is in the same ratio
Milk:water=7:1=56:w=>w=56*1/8=8lts
In 24 lts removed mixture=24*1/8=3lts.
So total water is 11 ltd.

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(1 year ago) "Other"

If stands for /, / stands for -, + stands for. -stands for +.

Then 9/15*9+2

9=?

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(1 year ago) "Other"

8700 अरब के बीज की स्थिति में है
"नगद 15, 9/8, 6/16, n/20"
19वां दिन चुकाने पर भुगतान की स्थिति होगी

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(1 year ago) "Other"

The average weight of A,B and C is 65kg,if the person D joins them the the average weights of those four persons becomes 70kg, the average weight of B,C and D is 75 kg then the weight of A is (in kgs)

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(1 year ago)

A+B+C=3x65=195 ---(i)
A+B+C+D=4x70=280 ---(ii)
Eqn (ii) - (i), D=85
Also, B+C+D=3x75=225 => B+C=140 ---(iii)
Eqn (i) - (iii), A=55
Therefore, weight of A=55 Kg.

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(1 year ago)

Average of A,B,C,D=70Kg
Sum of A+B+C+D=280Kg
Average of B,C,D=75Kg
Sum of B+C+D=225Kg
A's Weight=280-225=55Kg

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(1 year ago) "Other"

A person sold an article for 1840 Rs. And profit incurred will be 12.5% more than the loss incurred when article is sold for 1500 rs. At what price it should be sell to get 20% profit?

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(1 year ago)

Ans: Rs. 1992

Let CP=Rs. x, then Profit when SP is 1840 = (112.5/100)*Loss when SP is 1500
(1840-x) = (112.5/100)*(x-1500)
184000 - 100x = 112.5x - 168750
Solving, we get x = 1660
So, SP when profit is 20% = 1660*(120/100) = 1992 Rs.

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(1 year ago) "Other"

Fifty students have signed up for at least one of the courses German and
English. How many of the 50 students are taking German but not English

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(1 year ago) "Other"

There is a splendid fountain in the heart of Paris Tourists throw coins into the fountain in the belief that their wishes would come true. At the end of each day, a group of urchins jump into the water and pick up the coins. It is a tradition that they share the amount equally On Friday, had 5 urchins not shown up due to rain, each of those present would have received a Euro more But had it been a sunny day and there had been 15 more urchins, each would have received 2 Euros less, Find the total number of Euros in the fountain on Friday

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(1 year ago)

Let x urchins gets y Euros each, when all urchins are present, then total Euros=x*y
As per given conditions, (x-5)*(y+1)=xy ⇒ x-5y=5 ---(i) and
(x+15)*(y-2)=xy ⇒ -2x+15y=30 ---(ii)
Solving above equations, we get x=45, y=8
Therefore, total number of Euros=45*8=360

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(2 years ago) "Other"

what is the odd number is 812,394,192,90,40,16,5

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(2 years ago) "Other"

https://m4maths.com/35221-What-is-the-output-of-the-following-program-void-main-int-i-2-j-3-k-l-float-a-b.html

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