Quantitative Aptitude - Arithmetic Ability Questions

How many natural numbers between 15 and 85 are divisible by 7?

An angle is greater than its complementary by 20°. What will be the measure of the angle?

O is the centre of a circle and AB is the tangent to it touching at B . If OB = 3 cm. and OA = 5 cm , then the measure of AB in cm

If 8 men can do a piece of work in 14 days, then in how much time (in days) will 7 men do the same piece of work?

In triangle ABC, ∠ABC = 90°. BP is drawn perpendicular to AC. If ∠BAP = 30°, then what is the value (in degrees) of ∠PBC?

The volume of a hemisphere is 19404 cm3. Find its diameter (in cm).

Product of digits of a 2-digit number is 24. If we add 45 to the number, the new number obtained is a number formed by interchange of the digits. What is the number?

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.