2 What mathematical operation should come at the place of '?' in the equation : 2 ? 6 - 12 / 4 + 2 = 11. A) + B) - C) * D) /
3 Which of the following will come in place of both the question marks in the following equation ? $\frac{128+16 \times ?-7\times 2}{7^{2}-8\times 6+?^{2}}=1$ A) 3 B) 14 C) 16 D) 17 E) 18
4 Two-fifth of one-fourth of three-seventh of a number is 15. What is half of that number ? A) 94 B) 96 C) 188 D) 196 E) None of these
5 One-fifth of a number exceeds one-seventh of the same by 10. The number is : A) 125 B) 150 C) 175 D) 200
6 $\frac{5}{6}+\frac{6}{7}\times?-\frac{8}{9}+1\frac{3}{5}+\frac{3}{4}\times3\frac{1}{3}=2\frac{7}{9}$ A) 7/6 B) 6/7 C) 1 D) None of this
7 If $\frac{a}{b}=\frac{4}{5}$ and $\frac{b}{c}=\frac{15}{6}$, then $\frac{c^{2}-a^{2}}{c^{2}+a^{2}}$ is A) $\frac{1}{7}$ B) $\frac{7}{25}$ C) $\frac{3}{4}$ D) None of these
8 If 0 < a < 1, then the value of $a + \frac{1}{a}$ is : A) less than 2 B) greater than 2 C) less than 4 D) greater than 4
9 If a, b, c are integers; $a^{2} + b^{2}= 45$ and $b^{2} + c^{2} = 40$, then the values of a,b and c respectively are : A) 2,6,3 B) 3,6,2 C) 5,4,3 D) None of these
10 If $2+\frac{1}{x +\frac{1}{y+\frac{1}{z}}}=\frac{37}{13}$ where x, y, z are natural numbers, then x,y,z are: A) 1,2,5 B) 1,5,2 C) 5,2,11 D) 11,2,5
11 Find the value of $\frac{3}{1^{2}.2^{2}}+\frac{5}{2^{2}.3^{2}}+\frac{7}{3^{2}.4^{2}}+\frac{9}{4^{2}.5^{2}}+\frac{11}{5^{2}.6^{2}}+\frac{13}{6^{2}.7^{2}}+\frac{15}{7^{2}.8^{2}}+\frac{17}{8^{2}.9^{2}}+\frac{19}{9^{2}.10^{2}}$ A) 1/100 B) 99/100 C) 1 D) 101/100
12 How may pieces of 85 cm length can be cut from a rod 42.5 metres long ? A) 30 B) 40 C) 60 D) None of these
13 The total monthly salary of 4 men and 2 women is Rs. 46,000. If a woman earns Rs. 500 more than a man, what is the monthly salary of a woman ? A) Rs. 6500 B) Rs. 7500 C) Rs. 8000 D) Rs. 9000
15 A certain amount is distributed among A, B and C. A gets 3/16 and B gets 1/4 of the whole amount. If C gets Rs. 81, then B gets : A) Rs.30 B) Rs.32 C) Rs.36 D) Rs.40