Quantitative Aptitude - Arithmetic Ability Questions

The height of a light house is 20 mts above sea level. The angle of depression (from the top of the lighthouse) of a ship in the sea is 30 deg. What is the distance of the ship from the foot of the light house?

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

If the curved surface area of a right circular cone is 10010 sq cm and its slant height is 91 cm, find its total surface area.

If the angles of a triangle are in the ratio of 2:3:5, then find the ratio of the greatest angle to the smallest angle.

Vishnu spends Rs. 5000 in buying 12 tables and some chairs. The cost of one table is Rs. 50 and that of one chair is Rs. 40. What is the ratio of the numbers of tables purchased?

By what least number should 1200 be multiplied so that it becomes a perfect square?

The total surface area of a cube is 181.5 cm². Find its side (in cm).