Quantitative Aptitude - Arithmetic Ability Questions

What is the sum of all prime numbers between 60 and 80?

What is the difference (in Rs) between compound interest (compounded annually) and simple interest for 3 years on a principal of Rs 4000 at the rate of 30% per annum?

If the edge of a cube is increased by 2 cm, the volume will increase by 488 cub.cm. What then will be the length of each edge of the cube?

What will be the maturity value, if Rs. 13,500 is deposited at a simple rate of interest of 12.5% for two years?

Two ships are sailing in the sea on the two sides of a light house. The angle of elevation of the top of the light house as observed from the two ships are 30° and 45° respectively. If the light house is 100m high, the distance between the two ships is :(take √3=1.73)

19 x 23 = 437. Then 190 x 0.023 = ?

If the standard deviation of a population is 7, what would be the population variance?

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.