Quantitative Aptitude - Arithmetic Ability Questions

If PA and PB are tangents to the circle with centre O such that ∠APB=50°, then the ∠OAB=

If the radius of the cylinder is decreased by 20%, then by how much percent the height must be increased, so that the volume of the cylinder remains same?

A thief is stopped by a policeman from a distance of 200 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed
of the thief as 8 km/hr and that of police man as 10 km/hr. How far the thief would have run, before he is over ­taken?

In an arithmetic progression, if 9 is the 5th term, -26 is the 12th term, then -6 is which term?

The sum of digits of a two-digit number is 9. When the digits are reversed, the number decreases by 45. Find the changed number.

One internal angle of a rhombus of side 12 cm is 120°. What is the length of its longer diagonal?

After buying a toy for Rs. 66, Raghu managed to sell it at a profit of 15%. The selling price of the toy was

A boat covers a distance of 14 km upstream and 16 km downstream in 9 hours. It covers a distance of 12 km upstream and 40 km downstream in 11hours. What is the speed (in km/hr) of the boat in still water?