Quantitative Aptitude - Arithmetic Ability Questions

If 3 dupatta is offered free on purchase of 6 dupattas priced Rs 1200 each what is the effective discount on each dupatta?

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

Find the odd number from the given alternatives.

A number is decreased by 10% and the resulting number is again decreased by 20%. What is the final percentage of decrease?

The ratio of present ages of R and S is 6:7. Before 12 years the ratio of their ages was 9:11. What is R's present age (in years)?

If x = (√2 + 1)/(√2 – 1), then what is the value of (x5 + x4 + x2 + x)/x3 ?

If the simple interest on Rs. 1 for 1 month is 1 paisa, then the rate percent per annum will be

A bus runs at 50 kmph. If the speed is increased by 10 kmph, it will cover 20 km more in the same time. Find the actual distance covered?