## SSC CHSL Mathematics Test 26

Instructions

For the following questions answer them individually

Q 1

The difference between simple interest and compound interest of a certain sum of money at 20% per annum for 2 years is Rs. 48. Then the sum is

Q 2

If 2x + (9/x) = 9, then what is the minimum value of $$x^{2}+(\frac{1}{x^{2}})$$ ?

Q 3

If a : b = 2 : 3, then (5a + 3b) : (6a — 2b) is equal to:

Q 4

The simplest form of the expression $$\frac{p^2-p}{2p^3+6p^2}+\frac{p^2-1}{p^2+3p}+\frac{p^2}{p+1}$$

Q 5

In the given figure, PQR is a triangle in which, PQ = 24 cm, PR = 12 cm and altitude PS = 8 cm. If PT is the diameter of the circum- circle, then what id the length (in cm) of circum-radius ?