Quantitative Aptitude - Arithmetic Ability Questions

Find the area (in sq.cm) of a semi-circle of radius 7 cm

A certain amount of money is divided between A and B in the ratio of 5:6. If B gets Rs. 360, the amount is

Product of 9b2, 3a2 and 4ab is

Atul can do a piece of work in 18 days, Aaravya is 50% more efficient than Atul. How much more time does Atul take than Aaravya to do the same piece of work?

What is the value of [(cos 7A + cos 5A)÷(sin 7A – sin 5A)]?

The length of one side of a rhombus is 61 cm and its area is 1320 sq.cm. Find the sum of the lengths of its diagonals?

If 5x - 4 ≤ 2 - x and 4x + 5 > 2x - 5, then x can take which of the following values?

A sum of Rs 6000 becomes Rs 7200 in 2 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 3 years?