Quantitative Aptitude - Arithmetic Ability Questions

Find the area (in cm2) of a semi-circle of radius 28 cm.

The price of a shirt after 15% discount, is Rs.119. What was the marked price of the shirt before discount

Find the remainder when 413 divided by 3?

A thief is stopped by a policeman from a distance of 150 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 7 km/hr and that of policeman as 9 km/hr, how far the thief would have run, before he is over- taken by the policeman?

Mr. Raghav taught Geometry for 36 hours. If the time taken in teaching Ratio consitutes one-fourth of the time for Arithmetic, then for how much time (in hours) did he taught the topic of Ratio?

A and B together do a job in 15 days and A alone could do the same job in 20 days. How many days would B take to do half the job if he worked alone?

A's income is 25% more than B's income. B's income is what percent of A's income?

If 25% of an electricity bill is deducted, Rs 1788 is still to be paid. How much was the bill?