Quantitative Aptitude - Arithmetic Ability Questions

A factory buys 10 machines. 1 Machine­A, 4 Machine­B and rest Machine­C. Prices of the machines are Rs 90000, Rs 40000 and Rs 40000 respectively. Calculate the average cost of these machines?

What is the reflection of the point (-4, 3) in the line x = -2?

Find the curved surface area (in cm2) of a right circular cylinder of diameter 28 cm and height 12 cm.

The initial ratio of sugar to flour in a dough was 2 : 7. To 9 kg of the dough John added more sugar to make the sugar to flour ratio 2 : 5. How much sugar did John later add?

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 28090, and Rs 29775.4 respectively, what is the rate of interest?

If the selling price of an item is Rs 9750 after getting a discount of 25%, then what was its marked price (in Rs)?

If a -­ b = 3 and ab =28, then a3 - b3 is

The value of cos (1110°) is