Quantitative Aptitude - Arithmetic Ability Questions

What is the value of 2 consecutive natural numbers, sum of whose squares is 145?

A number is greater than twice its reciprocal by 31/4. Find the number.

What is the sum of the first 11 terms of an arithmetic progression if the 4th term is 11 and the 7th term is -4?

The angle of elevation of the top of a tower at a distance of 25 m from its foot is 60 deg. The approximate height of the tower is

Rs. 10000 is being compounded at 20% per annum. Calculate the amount after 2 years if rate of interest is charged half yearly.

Puneet lent out Rs 30000 in two parts, one at 5% and the other at 9% interest. The yearly average interest comes out to be 6%. What are the amounts (inRs) that are lent at 5% and 9% respectively?

Which one of the following combination of measurements can form the sides of a triangle?

The amount of extension in a spring is proportional to the weight hung on it. If the weight of 5 kgs produces an extension of 0.4 cm, what weight would produce an extension of 5cm?