Quantitative Aptitude - Arithmetic Ability Questions

If (1 + secA)/tanA = x, then x is

If a boat goes upstream at a speed of 24 km/hr and comes back the same distance at 40 km/hr. What is the average speed (in km/hr) for the total journey.

The simple interest on a sum for 20 years is 5/4 of the principal. What is the per annum rate (in percentage) of interest?

A labourer can do a job in 50 hours. After 5 hours he takes a break. What fraction of the job is yet to be done?

The selling price of 6 bananas is equal to the cost price of 8 bananas. Then the percentage of profit is

A trader had 9 quintals of wheat. He sold a part of it at 10% profit and the rest at 20% profit, so that he made a total profit of 14 %. How much wheat did he sell at 20% profit?

When a discount of 25% is given on a cruise trip, the profit is 41%. If the discount is 26%, then the profit is

What is the value of 20% of 500% of 50?