Quantitative Aptitude - Arithmetic Ability Questions

Present age of Ashok is twice the present age of Kishan. After 7 years the Kishan’s age will be 4 times of the Kartik’s present age. If Kartik celebrated his 9thbirthday 3 years ago, then what will be the present age (in years) of Ashok?

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.

What can be the maximum number of common tangent which can be drawn to two non-intersecting circles?

A prime number

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?

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.

In ΔPQR measure of angle Q is 90 deg. If cotP = 8/15, and PQ = 4cm, then what is the length (in cm) of side PR?

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.