Quantitative Aptitude - Arithmetic Ability Questions

A wholesaler sells a watch to a retailer at a gain of 20% and the retailer sells it to a customer at a loss of 10%. If the customer pays Rs 874.8, what had it cost the wholesaler?

A rice trader buys 12 quintals of rice for Rs 1,870. 15% rice is lost in transportation. At what rate should he sell to earn 20% profit?

In ∆XYZ measure of angle Y is 90 deg. If sinX = 4/5, and XY = 6cm, then what is the length (in cm) of side YZ?

If 35% of A is equal to 60% of B, then what is the ratio of A and B?

The third proportional of two numbers 4 and 20 is

If (4/5)A = 3B = (2/3)C, then what is A : B : C?

If the radius of a circle is increased by 16%, its area increases by

The income of X is 60% more than Y’s income and the income of Y is 40% more than Z’s income. X’s income is how much percentage more than Z’s income?