Quantitative Aptitude - Arithmetic Ability Questions

What is the value of 473+529+256+289?

Price of 1 kg of sugar is increased by 30% and the increase is of Rs 48. What is the new price (in Rs) of the sugar per kg?

If tan2A - sin2A = x, then value of x is

50% of a = b, then b% of 40 is the same as _________ of a.

A can do a work in 8 days, B can do the same work in 10 days and C can do the same work in 12 days. If all three of them do the same work together and they are paid Rs 7400, then what is the share (in Rs) of B?

If a merchant offers a discount of 10% on the list price, then she makes a loss of 25%. What % profit or % loss will she make if she sells at a discount of 20% of the list price?

The hypotenuse of a right-angled triangle 10 cm and its area is 24 cm^2. If the shorts side is halved and the longer side is double, the new hypotenuse becomes

Ifx4 + (1/x4) = 34, then what is the value of x3 – (1/x3)?