Number System - Questions & Discussions

MBA CAT 2022
3900

What is the remainder when n^7-n is divisible by 42?

3901

If N is natural number,N has 4 factors and summation of factors excluding N is 31,how many values of N are possible?

3902

Let A= set of all divisors of 8100 and B= set of all divisors of 21600.what is the product of the elements of AUB?

3903

4,18,100,350,? what will be the next term ?

3904

when a number which is the cube of a natural number is divided by 7,the remainder obtained is 5 .How many value can the number assume?

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3905

can any body explain Chinese remainder theorem please?

3906

If a no is divided by 5, 6 and 8 the remainder are 3,4  and 7 resp. what is the no?

please explain the approach , i forgot but there is a shortcut the no are multiplied and added in zig zag way,, some body please explain

3907

Find the number of non negative integral solutions of 2X + Y + Z = 18

Approach also please

3908

How many positive even integer less than 200 can be written as the sum of three consective integer?

(1)33

(2)20

(3)15

(4)35

3909


If a^a * b^b is completely divisible by 2000, where a and b are positive integers, then the minimum value that the product of ‘a’ and ‘b’ can assume is

3910

Find the remainder when 16!+86 is divided by 323.Please explain the approach.

3911

a=28  b=17  c=18  d=23  e=14

States ..12 9 8 4 10 14 9 13 9 6 6

can anyone tell number of ways 

@plant.waters @Highway66 

3912

(222)^555 /7 rem?

3913

 sum of all the factors of 14400 that are multiples of 5

3914

plz tell me book for number pattern series,i want to try all possible series pattern???????????????????????

3915

Find the remainder when 81(64^25) is divided by 9^4  ?

Any other approach except binomial?

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3916

Find the remainder when 81(64^25) is divided by 9^4  ?

Any other approach except binomial?

3917

Ask your doubts at

https://mbazoombies.wordpress.com/2015/03/04/still-got-doubts/#comments

3918

hello guys....wanted to know which of test series one should prefer considering the fact that those are on actual CAT terms....please suggest them difficulty wise and also when would they begin... this year has to the Year!!

3919

hey guys , which is the best material to refer for numbers ?? the one which contains all types of number questions ?? pl reply asap !!