Quantitative Aptitude - Arithmetic Ability Questions

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

The third proportional of two numbers 12 and 48 is

In the following question, select the odd word from the given alternatives.

Rehman goes on a trip on his motor-cycle and rides for 661 kms. If he rides for 8 hours at a speed of 31 km/hr, find at what speed he travels for the remaining 7 hours of the journey?

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

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

If √[(1 - cosA)/2] = x, then the value of x is

Simplify 437bxaz / 23ab.