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?

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

If 1/√(1 -­ sin2A) = x, then the value of x is

ΔDEF is right angled at E. If secD = 25/7, then what is the value of cosecF ?

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

A shopkeeper marks up his wares by 60% and offers 25% discount. What will be the selling price (in Rs) if the cost price is Rs 1600?

If θ is acute angle and sin(θ+18°)= 1/2, then the value of θ in circular measure is