4 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
6 $\frac{\sqrt{625}}{11} \times \frac{14}{\sqrt{25}} \times \frac{11}{\sqrt{196}}$ A) 3 B) 4 C) 5 D) 6
7 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
8 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) $\frac{1}{4}$
9 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
10 For what value of * the statement $(\frac{*}{15})(\frac{*}{135})$ =1 is true? A) 15 B) 25 C) 35 D) 45
11 The approximate value of $\frac{3\sqrt{12}}{2\sqrt{28}}+\frac{2\sqrt{21}}{\sqrt{98}}$ is : A) 1.0605 B) 1.0727 C) 1.6007 D) 1.6026
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
