2 If $\sqrt{3} = 1.732$, find the value of $\sqrt{196} -\frac{1}{2}\sqrt{48} - \sqrt{75}$ correct to 3 places of decimal. A) 3.254 B) 2.531 C) 1.523 D) 1.732
4 $\frac{\sqrt{625}}{11} \times \frac{14}{\sqrt{25}} \times \frac{11}{\sqrt{196}}$ A) 3 B) 4 C) 5 D) 6
5 $\left( \sqrt{\frac{225}{729} } - \sqrt{\frac{25}{144} } \right) + \sqrt{\frac{16}{81} } = ?$ A) $\frac{4}{15} $ B) $\frac{5}{16} $ C) $\frac{5}{17} $ D) $\frac{7}{16} $
8 The value of $\sqrt{0.01}+\sqrt{0.81}+\sqrt{1.21}+\sqrt{0.0009}$ is: A) 2.13 B) 2.23 C) 2.02 D) 3.01
9 By what least number 4320 be multiplied to obtain a number which is a perfect cube ? A) 40 B) 50 C) 60 D) 70
11 For what value of * the statement $(\frac{*}{15})(\frac{*}{135})$ =1 is true? A) 15 B) 25 C) 35 D) 45
12 Three- fifth of the square of a certain number is 126.15.What is the number? A) 14.5 B) 75.69 C) 145 D) 210.25
14 $\frac{3+\sqrt{6}}{5\sqrt{3}-2\sqrt{12}-\sqrt{32}+\sqrt{50}}$ is equal to ? A) 3 B) $3\sqrt{2}$ C) 6 D) None of these
15 If $\sqrt{2}$ = 1.414 ,the square root of $\frac{\sqrt{2}-1}{\sqrt{2}+1}$ is nearest to : A) 0.172 B) 0.414 C) 0.586 D) 1.414
