Quantitative Aptitude - Arithmetic Ability Questions

The surface area of a sphere is 5544 cm2. Find its diameter (in cm).

What is the sum of the first 11 terms of an arithmetic progression if the 4th term is 11 and the 7th term is -4?

In a factory, 60 workers can stitch 120 m of clothes in 7 days, what length of clothes can be stitched by 70 workers in 5 days?

ΔPQR is right angled at Q. If cosecP = 25/24, then what is the value of cotR ?

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Rs 8. The sum is ______.

Find the sum of first 8 odd prime numbers.

Two pipes fill a tank when working individually in 25 and 40 hours, respectively while a third pipe can drain the filled tank in 16 hours. If all the three pipes are turned on at the same time when the tank is empty, how long will it take to fill the tank completely ?

In a triangle the length of the side opposite the angle which measures 45° is 8 cm, what is the length of the side opposite to the angle which measures 90°?