Online practise test contains 15 random questions. Read the questions carefully and check the relevant options. After submitting, your test will be processed and results will be displayed.



1)

The maximum number of students among them 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils is :









2)

H.C.F. of 4 x 27 x 3125, 8 x y x 25 x 7 & 16 x 81 x 5 x 11 x 49 is :









3)

Six bells commence tolling together and toll at intervals of 2, 4, 6, 8, 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ?









4)

The least number which is a perfect square and is divisible by each of the numbers 10, 20 and 24, is 









5)

Three numbers are in the ratio 1:2:3 and their H.C.F. is 12. The numbers are :









6)

A number a is said to be perfect if the sum of all its divisors (excluding n itself) is equal to n. An example of perfect number is :









7)

The sum of two numbers is 528 and their H .C.F. is 33. The number of pairs of numbers satisfying the above conditions is :









8)

The H.C.F. of 3666 and 3444 is :









9)

Which of the following has most number of divisors ?









10)

252 can be expressed as a product of primes as ;









11)

The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one or the numbers is 275, then the other is :









12)

The product of the L.C.M. and H.C.F of two numbers is 24. The difference of two numbers is 2. Find the numhers









13)

Which of the following is a pair of co-primes ?









14)

The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is :









15)

The least number of five digits which is exactly divisible by 12, 15 and 18, is :