Quantitative Aptitude - Arithmetic Ability Questions

The radius of a sphere and hemisphere are same. The ratio of their total surface area is

The sum of a fraction and 7 times its reciprocal is 11/2. What is the fraction?

If the profit is 20%, then what will be the ratio of cost price to selling price respectively?

Deepak marks the price of his table 60% above the cost price. He gives some discount on it and earns profit of 15.2%. What is the discount percentage?

The rate of simple interest per annum at which a sum of money double itself in 16 2/3 yrs is

Two labourers A and B are paid a total of Rs. 750 per day. If A is paid 150 percent of what is paid to B, how much (in Rs) is B paid?

A can do a work in 20 days and B in 10 days. If they work on it together for 5 days, then what fraction of work is left.

Some carpenters promised to do a job in 15 days but 3 of them were absent and remaining did the job in 20 days. What was the original number of carpenters?