Quantitative Aptitude - Arithmetic Ability Questions

A 220 metres long train takes 33 seconds to cross a 440 metres long bridge. How much time (in seconds) will the train take to cross a 350 metres long bridge?

The surface area of a sphere is 1386 cm2.  Find its diameter (in cm)

It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the car is:

In the last financial year, a car company sold 41,800 cars . In this year, the target is to sell 51,300 cars . By what percent must the sale be increased ?

If 90% of A = 30% of B and B = x% of A, find x.

Find the HCF of 1757, 2259.

What is the value of (1/2) Sec 30° + √2 Tan 60°?

If  2x+14x = 1, then the value of  x2+164x2is