Quantitative Aptitude - Arithmetic Ability Questions

If the product of two numbers is 4941 and their LCM is 81, then their HCF is :

What is the LCM of 64 and 56?

Select the odd word/letters/number/number pair from the given alternatives.

If a – (1/a) = b, b – (1/b) = c and c – (1/c) = a, then what is the value of (1/ab) + (1/bc) + (1/ca)?

A man is running at the speed of 20 km/hr. What is time (in seconds) taken by man to cover one round of a circular garden of radius 350 metres?

The present ages of Kavitha, Rajitha and Haritha are in the ratio of 4 : 7 : 9. Eight years ago, the sum of their ages was 56. Find their present ages (in years).

Of the 5 numbers whose average is 72, the first is 1/8 times the sum of other 4. The first number is _____.

The base of a parallelogram is twice its height. If the area of the parallelogram is 338 sq.cm. Find its height?