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Online Arithmetic aptitude Test ( HCF and LCM )

Online test contains 15 questions from the category which you chosen. Read the questions carefully and check the options and sumbit the test. After submitting, your test will be processed and results will be displayed.

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)

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)

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)

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)

252 can be expressed as a product of primes as :

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

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)

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

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

Let the least number of six digits, which when divided by 4, 6, 10 and 15 leaves in each case the same remainder of 2, be N. The sum of the digits in N is :

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

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)

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)

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

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

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

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

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)

Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two a 1073. The sum of the three numbers is :

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

The least rubber which is a perfect square and is divisible bv each of the numbers Jo, 20 and 24, is :

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