Quantitative Aptitude - Arithmetic Ability Questions

A right circular cylinder has height as 18 cm and radius as 7 cm. The cylinder is cut in three equal parts (by 2 cuts parallel to base). What is the percentage increase in total surface area?

If a + b = 17 and a - b = 9 then the value of (4a2 + 4b2) is,

From a point on a bridge across the river, the angles of depression of the banks on opposite sides of the river are 30° and 45° respectively. If the bridge is at a height of 2.5m from the banks, then the width of the river is (take √3 = 1.732)

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 16% per annum is Rs 320. What is the value of given sum (in Rs)?

ABC is an equilateral triangle and P is the orthocenter of the triangle, then what is the value (in degrees) of ∠BPC?

If PA and PB are two tangents to a circle with centre O such that ∡APB = 80°. Then ∡AOP = 

Find a two digit number which is exactly three times the product of its digits?

0.296 + 2.96 + 29.6 + 296 = ?