Quantitative Aptitude - Arithmetic Ability Questions

If cos 2π/3c = x, then the value of x is

Cost price of a watch is Rs 530. If the loss percentage is 24%, then what is the value (in Rs) of loss?

The ratio of three numbers is 5 : 6 : 8. If the sum of the three numbers is 380, then what is the smallest among the three numbers?

­ If the selling price of an item is Rs 1150 after getting a discount of 8%, what is its marked price?

If 2 shirts are offered free on purchase of 3 shirts priced Rs 600 each, then what will be the effective discount on each shirt?

An article was sold for Rs. 2,400 at a discount of 20%. Find the selling price, if the discount was 25%.

If [2(4x/5 - 3/4)]/3 - 5/3 = -1/6, then the value of x is?

If Tan θ = 7/24, then what is the value of Cosec θ?