No1: Aptitude Questions Website

Online Arithmetic aptitude Test ( HCF and LCM )


Question 1 :

The L.C.M. of 22, 54, 108, 135 and 198 is :

a) b)
c) d)
e) f)
Question 2 :

The L.C.M. of two numbers is 45 times their H C.K. If one of the numbers is 125 and the sum of H.C.F. and L.C.M. is 1150, the other number is :

a) b)
c) d)
e) f)
Question 3 :

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

a) b)
c) d)
e) f)
Question 4 :

Product, of two co-prime numbers is 117. Their L.C.M. should be :

a) b)
c) d)
e) f)
Question 5 :

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 :

a) b)
c) d)
e) f)
Question 6 :

The H.C.F. of 1.75, 5.6 and 7 is :

a) b)
c) d)
e) f)
Question 7 :

A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 2.ri2 seconds, B in 308 seconds and C in 198 seconds, all starting at the same point. After what time will they meet again at the starting noint ?

a) b)
c) d)
e) f)
Question 8 :

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 :

a) b)
c) d)
e) f)
Question 9 :

Four different electronic devices make a beep after every 30 minutes, 1 hour, 1.5 hour
and 1 hour 45 minutes respectively. All the devices beeped together at 12 noon. They will again beep together at :

a) b)
c) d)
e) f)
Question 10 :

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 :

a) b)
c) d)
e) f)
Question 11 :

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

a) b)
c) d)
e) f)
Question 12 :

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 ?

a) b)
c) d)
e) f)
Question 13 :

Find the least number which when divided by 16, 18; 20 and 25 leaves 4 as remainder in each case, but when divided by 7 leaves no remainder.

a) b)
c) d)
e) f)
Question 14 :

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 :

a) b)
c) d)
e) f)
Question 15 :

252 can be expressed as a product of primes as :

a) b)
c) d)
e) f)