Quantitative Aptitude - Arithmetic Ability Questions

Find the value of 64344?

If (1/4 of x) - (4/5 of 6/7) equals - 9/7, then value of x is

The compound interest on Rs. 4000 for 4 years at 10% per annum will be

If cos 60° - sec 30° = x, then the value of x is

What is the HCF (highest common factor) of 77 and 275?

In the series 5442673314884743581,the number of 4s that are completely divisible by the number on their right but not divisible by the number on their left is

The product of two decimals is 0.768. If one of the decimal number is 1.6, find the other.

If in a two digit number, the digit at unit place is y and the digit at tens place is 5, then the number is