2 Evaluate $\sqrt{\frac{9.5 \times .0085 \times 18.9}{.0017 \times 1.9 \times 0.021}}$ A) 134 B) 125 C) 140 D) 150
4 If $\sqrt{15}= 3.88$, find the value of $\sqrt{\frac{5}{3} }$ A) 1.93 B) 1.2 C) $1.29\overline{3}$ D) 1.293
6 $\left( \sqrt{\frac{225}{729} } - \sqrt{\frac{25}{144} } \right) + \sqrt{\frac{16}{81} } = ?$ 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
9 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) $\frac{1}{4}$
10 By what least number 4320 be multiplied to obtain a number which is a perfect cube ? A) 40 B) 50 C) 60 D) 70
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
13 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
15 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
