Quantitative Aptitude - Arithmetic Ability Questions

The value of (sec245 - cot245) - (sin230 + sin260) is

A man can row upstream at 12 km/hr and downstream at 18 km/hr. The man's rowing speed in still water is

The area of an equilateral triangle is 9√3 sq cm, find height of the triangle?

Considering two opposite vertices of a square of side ‘a’ as centres, two circular arcs are drawn within the square joining the other two vertices, thus forming two sectors. What is the common area in these two sectors?

After a discount of 34% an article is sold for Rs. 3168. What is the marked price (in Rs) of the article?

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.

-7.5, 15, -30, 60, ? , 240

65.The angles of elevation of an aeroplane flying vertically above the ground, as observed from the two consecutive stones, 1 km apart; are 45o and 60o. The height of the aeroplane from the ground is