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Challenger of the Day

Deep Narayan Mojumder
Deep Narayan Mojumder
India
West Bengal
Time: 00:01:02
Points
19

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User Comments

1 + 9 + 24 + 46 + ... Find the sum of sequence

Prakash kumar 2 Days ago

This site is very useful. Here maximum problems are given which helped me a lot to get in Syntel Thanks m4

kislay keshav 5 Days ago

Thanks M4maths team for creating this platform by virtue of which i got placed in IBM. I owe to this website a lot.

Goutam Kumar Singh 6 Days ago

Thanks to M4maths.com

I got placed in IBM,

Questions appear in written same as in m4maths

Thanks to m4maths team

Giri Babu 9 Days ago

Maths Quotes

Arithmetic is numbers you squeeze from your head to your hand to your pencil to your paper till you get the answer.

Carl Sandburg

my math textbook is my role model. no matter how many problems it has it never sucide's.

prabhpreet singh

Don't learn Mathematics just to prove that you are not a mentaly simple person but learn it to prove that you are enough intelligent

LA

The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?

frank

Placement Questions

Find the number of numbers that can formed using all the digits 1, 2, 3, 4, 3, 2, 1 only once so that the odd digits occupy the odd places only?
A.
4!/(2!)2
B.
7!/(2!)3
C.
1! 3! 5! 7!
D.
None of these

Unsolved Asked In: Elitmus

Three positive consecutive integers are raised to the first, second and third power respectively and then added. The sum so obtained is perfect square whose square root is equal to the total of the three original integers. Which of the following best describes the minimum, say m, of these three integers?
A. 1≤m≤3
B.4≤m≤6
C.7≤m≤9
D.10≤m≤12
E.3≤m≤15

Unsolved Asked In: Elitmus

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