Quantitative Aptitude - Arithmetic Ability Questions

Two trains are moving in the opposite directions at speed of 43 km/h and 51 km/h respectively. The time taken by the slower train to cross a man sitting in the faster train is 9 seconds. What is the length (in metres) of the slower train?

The difference between cost price and selling price is Rs 12.54. If loss percentage is 33%, then what is the cost price (in Rs)?

The difference between cost price and selling price is Rs 494. If loss percentage is 19%, then what is the selling price (in Rs)?

By selling an item for Rs. 696 Unnati incurred a loss of 13%. By how much should she have raised the price to gain a profit of 10%?

What is the value of [1 – sin (90 – 2A)] / [1 + sin (90 + 2A)]?

In these tests find the Odd figure out

The price of rice has increased by 60%. In order to restore the original price, the new price must be reduced by

If x1/4 + x-1/4 = 2, then what is the value of x81 + (1/x81)?