CAT Maths Number System Online Test

For any natural number n, n^4 + n^2 + 1 is

Given 3 consecutive whole numbers, which of the following statements is/are true?

I. Two of the numbers are even

II. One of the numbers is divisible by 3

III. The sum of the numbers is never divisible by 5

How many numbers divisible by each of the numbers 21, 36, 66 are less than 10,000?

How many even integers n, where 100<n<200, are divisible neither by seven nor by nine?

If x is a number satisfying 2<x<3 and y is such that 7<y<8, which of the following expressions will have the largest value?

Find out the L.C.M. of 4^5, 4^(-81), 4^12 and 4^7

If x, y and z are integers and (xy)^(1/2) = z, then

A positive whole number M less than 100 is represented in base 2 notation, base 3 notation and base 5 notation. It is found that in all three cases the last digit is 1, while in exactly two out of the three cases the leading digit is 1. Then M equals

A man is going to a car auction. All purchases must be paid for in cash. He goes to the bank and draws out Rs. 25,000. Since the man doesn't want to be seen carrying that much money, he places in 15 envelopes numbered 1 through 15 such that he could count any amount from 1 to 25,000 using combinations of some envelopes. Each envelope contains the least number of bills possible of any available currency (for eg: no two tens instead of twenty), The possible currency denominations are 1, 2, 5, 10, 20, 50 and 100. At the auction, he makes a successful bid of Rs. 8322 for a car. He hands the auctioneer envelopes 2,8 and 14. After opening the envelopes, the auctioneer finds exactly the right amount. How many ones (one rupee notes) did the auctioneer find in the envelopes.

A man has 7 friends. The 1st visits him every night, the 2nd every 2nd night, the 3rd every 3rd night, the 4th every 4th night and so on. After how many days, do all the friends meet together?

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Mathematics - Number System Test for CAT Exam preparation. This is a short test with questions from previous CAT papers or questions similar to being asked in previous CAT question papers. For more such tests, visit us at . Test on our site follows actual CAT scoring (marking) format.


Jain Zachariah

stupidest test ever..

2495 days 16 hours 40 minutes ago


saaala...paper kyo banaate ho jb aata 1 akshar nii

2634 days 11 hours 45 minutes ago


plx give the solution of Q.5

2664 days 18 hours 25 minutes ago


what is marking sceme??

2798 days 13 hours 26 minutes ago


Q4 answer is 39.

2948 days 2 hours 22 minutes ago


Q2 answer is wrong. 2of the numbers can be even but not always.
2,3,4 yes
3,4,5 no

2948 days 2 hours 23 minutes ago


plx give the solution of Q.9

2952 days 10 hours 30 minutes ago

Mohammad Akhlaq

Pls check answers of Q3,Q5,Q6,Q7 ?

2999 days 10 hours 44 minutes ago

Mohammad Akhlaq

is answer of Q5 correct?

2999 days 10 hours 45 minutes ago

Mohammad Akhlaq

is answer of Q3 correct?

2999 days 10 hours 46 minutes ago

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