Instructions

For the following questions answer them individually

Question 51

A shopkeeper gives a discount of 10% once in 4 months. If a man purchases an article in this scheme for Rs.25515 in December, then what was the initial price in January?

Question 55

On a certain sum of money, the Compound Interest for 2 years is Rs.309 and the Simple Interest is Rs.300. Find the rate of interest per annum.

Question 56

Two right circular cones of height 16.4 cm and 17.2 cm respectively have base radius of 8.4 cm. These two cones are melted and recast into a sphere. Find the diameter of the sphere.

Question 57

If the ratio of ages of A and B is 5 : 6 and sum of their ages is 55, what is the age of A?

Question 58

Perimeter of an isosceles triangle is 32 cm. The base is $$\frac{6}{5}$$times the equal side. What is the area?

Question 59

Read the following information carefully and answer the question given below.

Five friends Arun, Bala, Cheenu, Dinesh and Elango are sitting on a bench facing north. Arun is sitting next to Bala. Dinesh is sitting next to Cheenu. Dinesh is not sitting with Elango. Elango is on the left end of the bench. Cheenu is on the second position from the right. Arun sits to the right of Bala. What is the position of Dinesh?