Quantitative Aptitude - Arithmetic Ability Questions

x and y are two numbers such that their mean proportion is 16 and third proportion is 128. What is the value of x and y?

A spaceship travels at 810 km/hr. How many metres does it travel in 1/5th of a second?

Ratio of present ages of P and Q is 9 : 4. The difference between their ages is 20 years. What will be the sum (in years) of their ages after 10 years?

When Amar walk from P to Q and return from Q to P on cycle, it takes him 29 minutes. By walking both ways, it takes him 49 minutes. If he rides cycle both ways then what will be the total time (in minutes)?

In 250 litres mixture of soda and water the ratio of amount of soda to that of water is 7 : 18. In order to make this ratio 2 : 3, how many more litres of soda should be added?

When a discount of 25% is given on a box of popcorn, the profit is 25%. If the discount is 10%, then the profit is

The compound interest earned in two years at 8% per annum is Rs 4160. What is the sum (in Rs) invested?

If SinX-CosX=1, where 'X' is an acute angle, the value of SinX+CosX is