Quantitative Aptitude - Arithmetic Ability Questions

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?

Six year ago Parvez’s age was same as the present age of Manish. If the present age of Parvez is one-fourth more than that of Manish's present age, then in how many years will Parvez’s age become double of Manish’s present age?

In a ∆ABC, BC is extended upto D, ∡ACD =120°, ∡B = 1/2 A. Then ∡A is

A mobile plan costs Rs. 32 for 6 minutes. What is the approximate cost, in rupees, for 4 minutes?

What is the value of 53% of 7400?

What is the value of 5.6x0.36+0.42x3.20.8 x 2.1 ?

If x+19x=4, then 9x2+19x2 is

Find two numbers such that their mean proportion is 8 and third proportion is 64.