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Dimple

India

Punjab

Time: 00:01:33

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Maths Quotes

If two wrongs don't make a right, try three.

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Mathematics is the QUEEN of all subject

Rupam

Placed User Comments

M4Math helped me a lot.

Vipul Chavan 4 years ago

Thanks m4 maths for helping to get placed in several companies.
I must recommend this website for placement preparations.

yash mittal 5 years ago

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to (4 years ago) "Other"

The ratio of difference between Compound interest and simple interest at 2 year and 2.5 year is 9:17 then rate of compound interest? 1)22.22% 2)11.11% 3)18.18% 4)22.5%

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to (4 years ago) "Other"

A man borrows a sum of rs 96,000 at 5% p.a. interest compounded annually. At the end of one year, he repays a certain amount and he repays the balance amount of rs 70,980 at the end of the second year. What amount does he repays at the end of the first year?

Reply Like? Yes | No (2)

(4 years ago)

Rs. 33200

Amount after 1 year = 96000*(1 + 5/100) = 100800
Let he repays Rs. x after 1 year, then amount to be paid after 2nd year=(100800 - x)*(1 + 5/100) = 70980
100800 - x = 67600
=> x=33200

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(4 years ago) "Other"

For Today's puzzle, options 3 and 5 are same as 246.
Please check.

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(4 years ago) "Other"

Anyone plz send me the model papers of amcat.. mail id kousalya97r@gmail.com

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(4 years ago) "Other"

Plz send me the model papers of amcat...

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(4 years ago) "Other"

How many ports will be allocated to a new emulator?

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(4 years ago) "Other"

H17, B11, P79, G16, L48, ?

Reply Like? Yes (45) | No (5)

(4 years ago) "Other"

problem statement:

you are given an array a[],and you need to find out the combination of array element which has same different.print the count of combinations

SAMPLE INPUT: SAMPLE OUTPUT:
5
4
27
37
47
57
EXPLANATION:

the possible comnibation are with 10 difference(27,37),(37,47),(47,57) -3 with 20 difference (27,47),(37,57)-2 total 3+2=5

E

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(4 years ago) "Other"

Anyone tell me the pattern of Amcat

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to (4 years ago) "Other"

In a election between two parties P and Q, Q is loser. If Q get 25% more votes then he win by the thrice the majority then that of P. If the total number of votes are 4250. How many vote did P get? 1)2250 2)1125 3)2000 4) 1525.. please give solution

Reply Like? Yes (4) | No

(4 years ago)

3) 2250

Total votes = P + Q = 4250 ---(i)
When Q is loser, majority of P = (P - Q)
When Q gets 25% more votes, then votes of Q = Q + 0.25Q = 1.25Q and votes of P = (P - 0.25Q)
According to given condition, 1.25Q - (P - 0.25Q) = 3*(P - Q)
=> 4P - 4.5Q = 0 ---(ii)
On solving equations (i) & (ii), Q=2000, P=2250

Like? Yes (4) | No

(4 years ago)

As per given ststement, Q is the looser.
From given options, only 2250 votes for P satisfies this condition.
No need to waste time to solve in detail while appearing for multiple choice questions test in limited time.

Like? Yes (1) | No

to (4 years ago) "Other"

In a local election, 2400 people were to vote for Party A or Party B. Party A was bound to win the election. However, on Election Day, 33% of the voters of Party A were kidnapped. Party B was also able to influence the remaining Party A voters and thus double the strength of its voters. In this way, Party A lost by a majority which was half of that by which it would have won had the elections been fair. How many people finally voted for Party A and Party B?

Reply Like? Yes | No

(4 years ago)

Final voters of party A=1029, B=1371

In fair election, party A voters=1542, party B voters=858, majority of A=684
After 33% and some voters of A shifted to B, Party A voters=1029, party B voters=1371, majority of B=342

Like? Yes (3) | No

(4 years ago) "Other"

Reply Like? Yes | No

(4 years ago) "Other"

Reply Like? Yes | No (1)

(4 years ago)

As per given statement, Q is the loser.
From given options, only 2250 votes for P satisfies this condition.
No need to waste time to solve in detail while appearing for multiple choice questions test in limited time.

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(4 years ago) "Other"

Pls check on site.
May answer is 5 which is correct as per site only .
But marks .. -1.
Any reason ?

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(4 years ago) "Other"

Regarding 'Today's puzzle'dated 30.01.2020, it is to inform you that result displayed at site is incomplete.
I have submitted same answer ( option) in first 10 minutes, but same is not displayed here.
Please check.

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(4 years ago) "Other"

i want questions on TCS nqt

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(4 years ago) "Other"

a student asked to get the combined sum of three individual series but due to his laziness he wrote all three 1 series in the combined form as 3+2+4+8+3+a+27+ . then he realizes that some of the terms merged and converted to new term. what will be the exact sum if he suppose to find the sum of first 36 terms a)6812 b)9812 c)6914 d)6912

Reply Like? Yes (21) | No (4)

(4 years ago) "Other"

No. Of zero?
1/2(6+10).

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(4 years ago) "Other"

The ratio of A and B’s income last year was 4:3 the ratio of their own incomes of last year and this year individually, it’s 3:4 and 5:6 respectively. If the total sum of their present income is ₹8.04 lakh, then what is the last year income of b? Please give solution

Reply Like? Yes (2) | No

(4 years ago)

2.7 lakh

Let the income of A & B last year was 4x and 3x.
Given ratio of their last year to this year income individually are 3:4 and 5:6 respectively.
Then income this year of A = 4x*(4/3) = 16x/3 and income of B = 3x*(6/5) = 18x/5
Sum of the incomes this year = 16x/3 + 18x/5 = 804000
=> x = 90000
Therefore, last year income of B = 3x = 3*90000 = 270000 = 2.7 lakh

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(4 years ago) "Other"

How to learn python

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(4 years ago) "Other"

consulting firms nj

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(4 years ago) "Other"

I have aptitude question solution

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(4 years ago) "Other"

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(4 years ago) "Other"

I am a Staff Author at https://www.fieldengineer.com a Marketplace for On Demand telecom workforce, ranging from telecom field engineers to high-level network engineers,
project managers and Network Architects in 146 countries.
Global Freelance Marketplace connecting Engineers and Businesses

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to (4 years ago) "Other"

hiiii can u plz share infosys papers madam

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(4 years ago) "Other"

Mumbai¤¤Pune¤¤,91–8426924404 Black magic to kill enemy

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(4 years ago) "Other"

Ibm written papers

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(4 years ago) "Other"

near by a yard which is 225 meters long 26 papaya tree are planted at equal distance one tree being at each end of the yard what is the distance between two consecutive trees?

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(4 years ago)

9 meters
225/(26-1)= 225/25= 9 meters

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(4 years ago) "Other"

in december 12 2007 mohammed bought 300 units of afrococo cooperation shares @$55 per shares december 10th 2008 mohammed sold all his shares for $60 dollars per share what is mohammed realised gain?

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to (4 years ago) "Other"

in december 12 2007 mohammed bought 300 units of afrococo cooperation shares @$55 per shares december 10th 2008 mohammed sold all his shares for $60 dollars per share what is mohammed realised gain?

Reply Like? Yes | No

(4 years ago) "Other"

The main temperature from 9th to 16th of march both days inclusive 11.6 degree Celsius and from 10th to 17th market was 12.2 degree Celsius if the temperature on month of march was 10.8 degree then on 17th march it was

Reply Like? Yes | No (1)

(4 years ago) "Other"

How to prepare m4 maths

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(4 years ago) "Other"

Two fill pipes A and B can fill a tank in 30 and 20 hours respectively. Pipe B alone
is kept open for half the time and both pipes are kept open for the remaining time.
In how many hours, will the tank be completely full?

Reply Like? Yes (1) | No

(4 years ago)

15 hrs

Let the total time taken be 'x' hrs.
Then, for x/2 hrs pipe B fills at 1/20 per hr and for remaining x/2 hrs both pipes A & B fills at (1/30 + 1/20) per hr.
(x/2)*(1/20) + (x/2)*(1/30 + 1/20) = 1
(x/2)*(8/60) = 1
=> x=15

Like? Yes (2) | No

(4 years ago)

Thanks DEVENDRA.

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(4 years ago) "Other"

I want to start my u tube channel I am very good in giving Mathematics classes

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(4 years ago) "Other"

Russian Call Girls in Udaipur http://www.callgirlsinindia.com/russian-call-girls-udaipur/

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(4 years ago) "Other"

Call Girls in Udaipur http://www.callgirlsbooking.com/call-girls-udaipur/

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(5 years ago) "Other"

A takes twice as much time as B or thrice as much as C time to finish a piece of work working together they can finish the work in 2 days B can do the work alone in

Reply Like? Yes (2) | No

(4 years ago)

Let C takes 'x' days, then A takes 3x days and B takes 3x/2.
1 day work of A , B & C = 1/3x + 1/(3x/2)+ 1/x = 1/2
=> x=4
Therefore, A takes 12 days and B takes 6 days to do the work alone.

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(5 years ago) "Other"

welcome m4 maths

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to (5 years ago) "Other"

A wizard named Nepo says I am only three times my sons age. My father is 40 years more than twice my age. Together the three of us are a mere 1240 years old. How old is Nepo?

need Ans and explanation

Reply Like? Yes (2) | No

(5 years ago)

let nepo age be n
nepo's son's age be s

n=3s
lets nepo's father age be f

f=40+2n

now s+n+f=1240

n/3+n+2n+40 = 1240
10n/3=1200
n=360
s=n/3=120
f=2n+40=720+40=760
s=200/3
f=

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(5 years ago)

n=360.s=120,f=2n+40=2*360+40=760

Nepo's age is 360.

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(5 years ago)

let Nepo's age be x;
sons's age=x/3
father's age=40+2x

adding the ages;
x+x/3+40+2x=1240

10/3x=(1240-40)
10/3x=1200

10x=1200*3

10x=3600
x=36
so Nepo is 36 years
son is 36/3 years=12 years

father is 40+2(36) years=112 years

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to (5 years ago) "Other"

Rakesh, can you suggest some good books to prepare for elitmus....I mean from where do they refer max. no of questions while setting the paper?

Reply Like? Yes (1) | No

(5 years ago) "Other"

Prartian interview questions for coding

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(5 years ago) "Other"

Prartian interview questions

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(5 years ago) "Other"

please provide me zenq previous question papers

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to (5 years ago) "Other"

Prove by the mathematical induction method that 7²n +2³n-³.3n-¹ is divisible by 25for all n€N

Reply Like? Yes (44) | No (13)

(2 years ago)

No no no no no no no no no No no no no no no no no noNo no no no no no no no noNo no no no no no no no no(Sorry for long text because it saay to short and sorry for bad english)

Like? Yes (14) | No (9)

(2 Months ago)

Hiii, Shorya Rathore We Wanna Be Friends

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(5 years ago) "Other"

दो कंटेनर हैं, ए और बी, जिसमें दूध और पानी की समान मात्रा होती है
क्रमशः। ए की सामग्री का एक तिहाई बी में डाला जाता है, और फिर वही
मिश्रण की मात्रा बी से ए में वापस स्थानांतरित की जाती है। यह तीन बार किया जाता है।
A में अब दूध और पानी का अनुपात क्या है?

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(5 years ago) "Other"

a 100 litres spirit water solution contain 75% spirit. find the amount of water to be added to convert it into 60% spirit solution

Reply Like? Yes | No

(5 years ago)

75:(25+x)=60:40
(25+x)=40*75/60=50
x=25lt
Water to be added=25lts.

Like? Yes (1) | No

(5 years ago) "Other"

If principal amount triples itself in 3 years then in how much it takes to to make Principal amount 9 times

Reply Like? Yes (1) | No

(5 years ago)

If principal amount triples itself in 3 years, then it will take 12 years to make Principal amount 9 times.
In 3 years , the interest is 2 times the principal amount. in 12 years, the interest is 8 times the principal amount.

Like? Yes (4) | No

(5 years ago)

Final amount to be 9 times we need interest to be 8 times.mes
In Three years interest become 2 times
In Six year interest become 4 times
Hence in 12 years interest become 8 times

So in 12 years amount will become 9 times

Like? Yes | No (1)

(5 years ago)

In 3 years Intrest =3P-P=2P
So in 12 years it becomes =8P
Now in 12 years it beclmes =8P+P=9P

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(5 years ago) "Other"

1.2/3rd of the balls in a bag are blue, the rest are pink. if 5/9th of the blue balls
and 7/8th of the pink balls are defective, find the total number of balls in the bag
given that the number of non defective balls is 146?

Reply Like? Yes | No

(5 years ago)

432

Let total balls be x. Blue=2x/3, Pink=x/3
Defective balls = (5/9)*(2x/3) + (7/8)*(x/3) = 143x/216
Non defective balls = x - 143x/216 = 73x/216
Given non defective balls are 146, so 73x/216 = 146 => x=432

Like? Yes | No

(5 years ago)

Let total balls in the beg are x
Then Blue balls in the beg are = 2x/3
Pink balls in the beg are = 1-2x/3=x/3
Defective blue balls= 5/9 (2x/3)
Defective pink balls= 7/8 (x/3)
Total Defective balls in the beg are= 143x/216
Hence total non defective balls in the beg are = x-143x/216=73x/216
Given that total defective balls in the beg are 146
Hence 73x/216=146
i.e. X= 432 Balls

Like? Yes | No

(5 years ago)

Let the total numbers of the ball in a bag be x.

Blue balls = 2/3 of x

Pink ball = x - 2x/3

= x/3

Now,

Defective Blue balls = 5/9 of (2/3 of x)

= 5/9 × 2/3 × x

= 10/27 × x

Defective Pink balls = 7/8 of x/3

= 7x/24

Now, Defective Blue and Pink balls = 146

10x/27 + 7x/24 = 146

(80x + 63x)/216 = 146

∴ 143x = 146 × 216

x = 220.53

= 221 balls.

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(5 years ago) "Other"

Tajmahal 2.India 3.asia 4.Agra 5.uttar Pradesh

Reply Like? Yes (2) | No

(5 years ago)

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(5 years ago)

Tajmahal..............As all other are name of City, state, country, and continent Tajmahal is monument

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(5 years ago) "Other"

Rohan has 1120 pens and he categorized all pens into three types such that he earns a profit of 12%,
16% and 20% respectively on each type. He earns 13% on first two types and earns overall profit of 15% on
all types. Find the number of pens in all types?

Reply Like? Yes (1) | No

(5 years ago)

Number of pens in each category are 600/200/320 respectively.

Like? Yes (4) | No

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