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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 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 :

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

The H.C.F. and L.C.M of two numbers are 11 and 385 respectively. If one number lies between 75 and 125, then that number is :

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

Three different containers contain 496 litres, 403 litres and 713 litres of mixtures of milk and water respectively. What biggest measure can measure all the different quantities exactly ?

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 22, 54, 108, 135 and 198 is :

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

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)

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)

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)

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)

252 can be expressed as a product of primes as :

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)

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 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)

The H.C.F. and L.C.M of two numbers are 11 and 385 respectively. If one number lies between 75 and 125, then that number is :

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