Quantitative Aptitude - Arithmetic Ability Questions

PQ is a tangent to the circle at T. If TR = TS where R and S are points on the circle and ∠RST = 65°, the ∠PTS =

The price of an article is cut by 42%, to restore to its original value, the new price must he increased by ______.

The first and last terms of an arithmetic progression are 37 and ­18. If the sum of the series is 114, then it has how many terms?

What are the co-ordinates of the centroid of a triangle, whose vertices are A(1, -5), B(4, 0) and C(-2, 2)?

What is the angle between the two hands of a clock when the time shown by the clock is 8 p.m.?(in degrees)

In triangle ABC, AB = 8 cm, angle A is bisected internally to intersect BC at D. BD = 6 cm and DC = 7.5 cm. What is the length of CA?

The average of 8 consecutive natural numbers is 38.5. What is the largest of these 8 numbers?

How much simple interest will Rs. 4000 earn in 18 months at 12% per annum?