Quantitative Aptitude - Arithmetic Ability Questions

A can do a piece of work in 10 days and B in 12 days. With help of C, they finish the work in 4 days. In how many days C alone can do the same work?

(1 + sec 20° + cot 70°)(1 - cosec 20° + tan70°) is equal to

2 sec2A is equal to

In the following question, select the odd word from the given alternatives.

If a boat goes a certain distance at 30 km/h and comes back the same distance at 20 km/hr, what is the average speed (in km/hr) for the total journey?

The lengths of the diagonals of a rhombus are 8 cm and 6 cm. The area of rhombus is:

In the given figure, PQR is a quadrant whose radius is 7 cm. A circle is inscribed in the quadrant as shown in the figure. What is the area (in sq.cm) of the circle?

Two businessmen A and B invest in a business in the ratio 5 : 8. They decided to reinvest 30% of the profit they earned back into the business. The remaining profit they distributed amongst themselves. If A's share of the profit was Rs 87,500 then how much profit (in Rs) did the business make?