The difference between the product of the first 20 positive even integers and the product of the first 20 positive odd integers is a multiple of A.21. B.41. C.39 4.All of these Need a simple approach for this....
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N^2 has 7 factors smaller than N .Find the number of factors of N^3..?
How to solve this??
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another one !!
find the number of natural numbers that divides 10^999 but not 10^998.
explaination would be appreciated over solution.
Two real non negative numbers satisfy that ab>=a^3+b^3, find the maximum value of a+b
What is the sum of the products of every pair of the first 10 natural numbers?
Approach please.
Please provide a detailed explanation. =))
How to determine this..
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Remainder obtained when 15 raised to the power 400 is divided by 1309
ans is b) approach
Guys.. i am confused regarding how to fill academics section in CAT form. I completed HSC from CBSE board. Three subject do not have marks, only grades are mentioned. Do we need to find their conversion in marks from board or, only 5 major subjects (whose marks are present will suffice) Thanks
For question no. 7, should we use simple calculators while practising?
Number of positive integers from 1 to 10^6 (both inclusive) which are perfect squares or perfect cubes or perfect 4th power
- 1090
- 1100
- 1116
- 1110
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guys i am in a dilemna. i am a 2017 passout engineer and have an IT job with INFY in hand.( waiting for a joininig date). Also i am from NON-CS background with zero interest in IT. i recently got offered the position of fulltime faculty in Delhi with IMS. should i join IMS as faculty? Will the experience be counted.? Will it be a problem in b-school?? i am targeting CAT 2017( reasonably good prep).
please dont just vote. also try to list pros and cons of both.
If (3+a+a^2+a^3)^5= C0+ C1*a .... C15 * a^15, which is the binomial expansion. Find C0+C1+C2 .....+C15. Numbers are subscripts.. Like in binomial expansion
anyone with a different approach ??
A series of numbers x0 , x1 , x2 , x3 ….. is defined such that x0 = 1 and x(n+1) + 12n = 5x(n) + 3. If x(200) = 5^k + m, where m and k are natural numbers, find the least possible value of the sum (m + k).
How to solve this one? 9 12 11 14
How to do this one..