Quantitative Aptitude - Arithmetic Ability Questions

How many natural numbers are there between √261 and √45109?

A number is greater than thrice its reciprocal by 26/3. What is the number?

What is the value of tan 1° tan 2° tan 3°....... tan 89°?

What is the value of Cot 60°- Sec 45°?

Ram Naresh got two successive discounts, a bag with a list price of Rs.400 is available at Rs. 160. If the second discount is 20%, find the first discount.

39 is 5.2% of?

The angle of elevation of the top of a tower from two horizontal points (in opposite sides) at distances of 25 meter and 64 meter from the base of tower are x and 90° - x respectively . The height of the tower will be

Calculate the area (in cm2 ) of a circle of radius 10.5 cm.