Quantitative Aptitude - Arithmetic Ability Questions

A shopkeeper marks the price of an article at Rs. 320. Find the cost price if after allowing a discount of 10%, he still gains 20% on the cost price.

12 men and 16 women together can complete a work in 4 days. It takes 80 days for one man alone to complete the same work, then how many days would be required for one woman alone to complete the same work?

What is the value of [(cos 3θ + 2cos 5θ + cos 7θ)÷(cos θ + 2cos 3θ + cos 5θ)] + sin 2θ tan 3θ?

Select the odd number from the given alternatives.

List price of TV is Rs. 2300 and discount series found to be 25% and 10%. Then the selling price of TV is

Find the value of p if ­-3x -­ 11, x + p and 5x + 7 are in arithmetic progression.

If XY = a+23 and YX = 13, then find the value of X2 + Y2X2 - Y2.

If (7x -­ 13) ­ (12x + 3) = 14, then the value of x is ______ .