Quantitative Aptitude - Arithmetic Ability Questions

Between 200 and 400 how many numbers are divisible by 7?

A man goes to a place on bicycle at speed of 16 km/hr and comes back at lower speed . If the average speed is 6.4 km/hr in total , then the return speed (in km/hr) is

An amount fetched a total simple interest of Rs. 3200 at the rate of 6.25 %/yr in 4 years. What is the amount (in Rs)?

Determine the value of 1r+1s when r3+s3=0 and r+s=6 ?

What should be the average speed of the car to cover a distance of 342 km in 1.9 hours?

If sec -7π/4 = x, then the value of x is

Given: x -­ 5 ≤ 2x -­ 3 and 2x - ­1/2 ≥ 5x + 2; then x can take which of the following values?

If x -­ y = ­7 and x + y = 13, then x2 - y2 is