Quantitative Aptitude - Arithmetic Ability Questions

If 6A = 11B = 7C; find A : B : C

If the true discount on sum due 2 years hence at 14% per annum be Rs. 168, the sum due is

If price of oranges is increased by 30%, then a person can buy 12 oranges less for Rs 208. What is the original price (in Rs) of an orange?

If two successive discounts of 20% and 30% are given, then what is the net discount (in %)?

PQ is the chord of a circle whose centre is O. ROS is a line segment originating from a point R on the circle that intersect PQ produced at point S such that QS = OR. If ∠QSR = 30°, then what is the value (in degrees)of POR?

Profit obtained on selling an article for Rs 540 is equal to the loss incurred on selling the article for Rs 370. If selling price is Rs. 910, then what is the profit percentage?

A trader had 16 quintals of wheat. He sold a part of it at 17% profit and the rest at 27% profit, so that he made a total profit of 21%. How much wheat did he sell at 27% profit?

If (1/cos θ) – (1/cot θ) = 1/P, then what is the value of cos θ?