Quantitative Aptitude - Arithmetic Ability Questions

A certain sum of money amounts to Rs 918 in 2 years and Rs 969 in 3.5 years at simple interest. What is the rate of interest (in %)?

If the price of pen decreases by 20%, then a man can buy 10 more pens for Rs 100. What is the new price (in Rs) of each pen?

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

Mohit buys an old bicycle for Rs 2700 and spends Rs 500 on its repairs. If he sells the bicycle for Rs 3520, then what is his profit percentage?

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?

If Tan θ = 7/24, then what is the value of Sec θ?

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?