Quantitative Aptitude - Arithmetic Ability Questions

When n is divided by 4, the remainder is 3. The remainder when 2n is divided by 4 is:

Which smallest number must be subtracted from 400, so that the resulting number is completely divisible by 7?

23 x 31 = 713. How much is 0.0713 / 3.1?

A cylindrical vessel of radius 4 cm contains water . A solid sphere of radius 3 cm is dipped into the water until it is completely immersed . The water level in the vessel will rise by

Two regular polygons are such that the ratio between their number of sides is 1:2 and the ratio of measures of their interior angles is 3:4. Then the number of sides of each polygon are

If percentage of profit made,when an article is sold for Rs.78, is twice as when it is sold for Rs.69, the cost price of the article is

Find the smallest of the following decimals.

In what ratio must a mixture of 11% sugar strength be mixed with that of 25% sugar strength so as to get a new mixture of 13% sugar strength?