Quantitative Aptitude - Arithmetic Ability Questions

If 3a=4b=6c and a+b+c=279 then a2+b2+c2 is equal to

The diagonal of a cube is 192 cm. Its volume in cm3 will be 

If the value of √42 is approximately 6.480, then what is the approximate value of √(6/7)?

The price of an article is cut by 9%, to restore to its original value, the new price must be increased by

A person while buying a dress on sale spends Rs. 45 and saves Rs. 5, what is the percentage of his savings?

[sinA/(1 + cosA)] + [(1 + cosA)/sinA] is equal to

Let ΔABC and ΔABD be on the same base AB and between the same parallels AB and CD. Then the relation between areas of triangles ABC and ABD will be

What is the place value and face value of 9 in 68956 respectively?