1 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
2 Find fhe least square number which is exactly divisible by 10, 12, I5 and 18. A) 800 B) 12000 C) 1000 D) 900
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 How many two-digit numbers satisfy this property : The last digit (unit's digit) of the square of the two-digit number is 8 ? A) 3 B) 2 C) 1 D) None of these
10 Find the value of $\sqrt{1\frac{9}{16} }$ A) $1\frac{1}{4}$ B) $3\frac{3}{5}$ C) $2\frac{1}{4}$ D) $\frac{1}{4}$
11 For what value of * the statement $(\frac{*}{15})(\frac{*}{135})$ =1 is true? A) 15 B) 25 C) 35 D) 45
12 $\frac{\sqrt{7}+\sqrt{5}}{\sqrt{7}-\sqrt{5}}$ is equal to : A) 1 B) 2 C) $6-\sqrt{35}$ D) $6+\sqrt{35}$
14 A general wishes to draw up his 36581 soldiers in the form of solid square.After arranging them,he found that some of them are left over. How many are left? A) 65 B) 81 C) 100 D) None of these
15 $\frac{3+\sqrt{6}}{5\sqrt{3}-2\sqrt{12}-\sqrt{32}+\sqrt{50}}$ is equal to ? A) 3 B) $3\sqrt{2}$ C) 6 D) None of these