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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.

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)

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

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

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

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

The smallest number which when diminished by 7, is divisible by 12. 16, 18, 21 and a 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 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)

252 can be expressed as a product of primes as :

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 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)

The H.C.F. of 204, 1190 and 1445 is :

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)

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

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

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

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

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

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