Quantitative Aptitude - Arithmetic Ability Questions

In the given figure, MNOP is a square of side 6 cm. What is the value ( in cm ) of radius of circle?

If 40% of x = y, then y% of 40 is same as _____ of x.

Srinivasan invests two equal amounts in two banks giving 8% and 12% rate of interest respectively. At the end of year the interest earned is Rs. 1500. Find the sum invested in each.

A is thrice as productive as C. Together they can complete a job in 22.5 days. If B joins them after they have worked for 15 days then in how many days can they finish the rest of the job if B alone can do the job in 15 days?

Ashok can row upstream at 8 kmph and downstream at 12kmph.What is the speed of the stream ?

If A is 6 times more than B, then by what percentage is B is less than A?

There are two parallel streets each directed north to south. A person in the first street travelling from south to north wishes to take the second street which is on his right side. At some place, he makes a 150 deg turn to the right and he travels for 15 minutes at the speed of 20 km/hr. After that he takes a left turn of 60 deg and travels for 20 minutes at the speed of 30 km/hr in order to meet the second street. What is the distance between the two streets?

The interest earned on Rs. 1600 at the rate of 5% S>I per annum for 6 yrs would be: