Quantitative Aptitude - Arithmetic Ability Questions

In a Rhombus ABCD, measure of angle CAB is 30°, what is the measure of angle ABC?

Both A and B together can complete a work in 20 days and B alone can complete the same work in 36 days. In how many days will A alone complete the work?

A can do a work in 24 days and B in 40 days. If they work on it together for 10 days, then what fraction of work is left?

Which of the following ratios can be the ratio of the sides of a right angled triangle?

An 80 litre mixture of water and acid contains 20% acid. How much acid should be added to make the acid 60% in the new mixture?

Find the degree of the polynomial 8x4 + 2x2y3 + 4

In a circle with centre O, AB is a diameter and CD is a chord which is equal to the radius OC. AC and BD are extended in such a way that they intersect each other at a point P, exterior to the circle. The measure of ∠APB is

What is the area (in sq cm) of a circle whose circumference is 22 cm?