Quantitative Aptitude - Arithmetic Ability Questions

Before a battle the ratio of tanks to planes in an army was 5 : 3. During the war 1000 tanks were destroyed and 800 planes were destroyed. The ratio of tanks to planes became 2 : 1. What is the number of tanks after the war.

Find the odd one out among the following.

If L : M = 3 : 5 and M : N = 2 : 3, then N : L = ?

Mr. Rajesh buys a toy for Rs. 27.50 and sells it for Rs. 28.60. Find the gain %.

In the given figure, PQR is an equilateral triangle with side as 12 cm. S and T are the mid points of the sides PQ and PR respectively. What is the area (in sq.cm) of the shaded region?

Both S.I. and C.I. is calculated with a similar rate of 10% per annum on a sum of rupees. If C.I. is calculated yearly for two years, then for what period must S.I. be evaluated such that S.I. = C.I.?

Two successive discounts of 10% and 20% are equivalent to a single discount of

If 6/7th of 8/5th of a number is 192, then 3/4th of that number is _____.