Quantitative Aptitude - Arithmetic Ability Questions

If P : Q : R = 6 : 7 : 8 and R : S = 3 : 5, then what is P : S?

A can do a work in 15 days and B in 20 days. If they work on it together for 6 days, then what fraction of work is left?

A person purchased 10 shirts costing Rs 150 per shirt. Next day  he again purchased the shirts costing Rs 150 per shirt at a discount of Rs 30 per shirt and that day he spent a toal of Rs 1800. What is the average cost per shirt (in Rs)?

N professes to lose 25% on rice and uses a weight of 750 gm instead of 1 kg. What is the total profit or loss percentage?

The perimeter and the breadth of a rectangle are 44 cm and 10 cm respectively. Find its area (in cm2).

In the given figure, PQR is a right angled triangle at Q. If PQ = 35 cm and QS = 28 cm, then what is the value (in cm) of SR?

A hexagonal prism has 18 edges. How many vertices does it have?

In the given figure, the angle bisectors of B and C of an isosceles triangle intersect at point O. Find the angle BOC (in degree), when ∠ABC = ∠ACB = 75°.