Easy Tutorial
For Competitive Exams

The L.C.M. of two numbers is 140. If their ratio is 2:5, then the numbers are:

28,70
28,7
8,70
8,40
None of these
Additional Questions

If a number is exactly divisible by 85, then what will be the remainder when the same number is divided by 17?

Answer

The least perfect square number which is exactly divisible by 3, 4, 7, 10 and 12 is:

Answer

(xn+yn) is divisible by (x-y):

Answer

The greatest number that will divide 63, 138 and 228 so as to leave the same remainder in each case:

Answer

Find the largest number, smaller than the smallest four-digit number, which when divided by 4,5,6 and 7 leaves a remainder 2 in each case.

Answer

What is the highest power of 5 that divides 90 x 80 x 70 x 60 x 50 x 40 x 30 x 20 x 10?

Answer

If a and b are natural numbers and a-b is divisible by 3, then a3-b3 is divisible by:

Answer

What is the greatest positive power of 5 that divides 30! exactly?

Answer

In how many ways can a number 6084 be written as a product of two different factors ?

Answer

What is the smallest four-digit number which when divided by 6, leaves a remainder of 5 and when divided by 5 leaves a remainder of 3?

Answer
Share with Friends
Privacy Copyright Contact Us