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Users Discussion Board

alister james    4 years ago
Hi, my name is Alister james lives in Delhi and doing my education in creativethinksmedia want to become an engineer.
Reply Like? Yes (1) | No   
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vuresakuntala    4 years ago
hello my name in vuresakunthala iam teacher in private school now free because corona holidays now i need job at home any on help me thq
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Lisha    4 years ago
here are 20 balls which are red, blue or green. If 7 balls are green and the sum of red balls and green balls is less than 13, at most how many red balls are there?
 
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AMIT GARG   4 years ago
7 balls are green
sum of red balls and green balls is less than 13
7 + R < 13
=> R < 6
Hence at most 5 red balls are there
Like? Yes | No   
priyanshu mandil    4 years ago
if the tank is half fulled and set X and set Y are closed how many minutes will it take for set Z to empty the tank if alternate taps of set Z are closed
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AMIT GARG   4 years ago
X, Y & Z details missing
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Bargavi    4 years ago
The number of 5-digit numbers that can be formed from 4,2,0,7 and 3
Reply Like? Yes | No   
kishor   4 years ago
5! is the answer
Like? Yes | No (2)  
tej   4 years ago
4*5*5*5*5 bcoz 0 cant be at first place
Like? Yes | No   
AMIT GARG   4 years ago
Assuming repetition allowed - 1st Digit can be in 4 ways - Rest 4 can be in ways Hence 4*5*5*5*5 = 2500
Assuming repetition mot allowed = 4*4! = 4 * 24 = 96
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YUVANSANKAR    4 years ago
What is the referral code
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ansh    5 years ago
please help me in tcs nqt 2021
Reply Like? Yes (2) | No   
ragavan    5 years ago
got placed in infosys
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lakshmi    5 years ago
Three marketers distribute their products in a colony for pilot testing. Marketer A distributes
150 Items to the people equally and then was left with a few items. Marketer B distributes 270
Items to the people equally and then was left with the same number of Items as the number left
with Marketer A. Marketer C distributes 320 items to the people and is left with the same
number of items as the number left with Marketer A. What is the maximum possible number of
people in the colony?
Reply Like? Yes (1) | No   
G.S.Kantharao   5 years ago
Let q are the no of people
150=aq+r----(1)
270=bq+r----(2)
320=cq+r-----(3)
Eqn. 2 -1=q(b-a)=120
Eqn.3-2=q(c-b)=50
Eqn.3-1=q(c-a)=170
H.c.f of all these is 10
Hence the members are 10.
Like? Yes (1) | No   
meenakshi    5 years ago
A ball is dropped from a height of 144 m and it rebounds to two thirds of the height from which it falls. if it continues to rebound, what distance will the ball have travelled before coming to rest?
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raju bhatia to Surbhi patel    5 years ago
hey surbhi
how u get placed
Reply Like? Yes (1) | No (2)  
raju bhatia to yumnam girish    5 years ago
oh gosh,
are u placed in the company?
if not leave it.
and if yes then please let me know how u get placed?
Reply Like? Yes | No (1)  
satyasundar mallick    5 years ago
2 7 19 62 493...next no?
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Sambhunath Mohanta    5 years ago
Important Math questions and it's solutions.
Reply Like? Yes | No (1)  
VEMIREDDY HEMANTH KUMAR REDDY    5 years ago
How would you dynamically allocate a one-dimensional and
two-dimensional array of integers?
Reply Like? Yes | No   
Varun   5 years ago
Use loops to iterate through array
And use available random generator functions to allocate any value, dynamically if you are getting values from any where that will work.
Please give more information if you are looking for anything else.
Like? Yes | No   
Gauthamkumar S    5 years ago
Adarsh is preparing for a competitive exam. During his practice for the same, he comes across a sample paper which contains 12 yes/no type questions and 12 multiple choice questions, each with four possible answers. In how many distinct ways can Ankit solve the paper?
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Varun   5 years ago
244,672,066 ways
Yesno can be answered in 3 ways -> YesNoNone
Similarly MCQ can be answered in 5 ways
= (3^12)+(5^12)
Like? Yes | No (1)  
AMIT GARG   4 years ago
@varun - both need to be multiplied rather than addition.
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krisha kumar to Varun    5 years ago
Can please share any resource to learn quantitative aptitude or anything regarding maths please, I want to learn
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Varun   5 years ago
We can find many question and answers in the website by browsing, example at: https://m4maths.com/placement-puzzles.php?SOURCE=maths
You can try to solve the unsolved one as well which helps in learning
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Srinivasa Raju Rudraraju    5 years ago
Which of the following statements is/are true about locks in database management’?
1. Livelock and Deadlock are same.
2. Phase Locking has 2 stages namely- Expanding phase and Contracting phase.
3. Read Lock can be assigned to infinite transactions simultaneously.
Reply Like? Yes | No   
raheem khan to SARASWATI KUMARI    5 years ago
hi mam i had doudt about probability that sum of two dice are thrown, but sum o two dice are divisble by 4 and 6..i know the answewr is 7/18..
i need the clear explanation, means in a logical way
by adding all the sequence i get 16/36 means 8/18
sum of them are 1,3 /3,1/2,2/ and 1,5/2,4/3,3/4,2/5,1/4 and
these are the only combination i get 4 and 6 by adding of two dice
explain me in soon at email rahimkhan341341@gmail.comeven u
thnaking you.. not only her even u can also share the answer at email..
Reply Like? Yes | No   
Dr.Dipin Singh   3 years ago
Condition should be.... Sum of two dice is divisible by 4 or 6.
Possible sums are 4,6,8,12.
Possible combinations to meet given conditions = 14
So probability =14/36= 7/18
Like? Yes | No   
saumya    5 years ago
consider expression (3+x+x^2x^3x^4)^4=p0+P1x+p2x^2+.....P16x^16. Find value of p0+p1+p15+p16
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