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 Supply the two missing figures in order indicated by x and y in the given equation ,the fractions being in their lowest terms. $5\frac{1}{x}\times y\frac{3}{4}=20$ A) 3, 1 B) 3, 3 C) 4, 1 D) 5, 3
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 7 is added to a certain number; the sum is multiplied by 5; the product is divided by 9 and 3 is subtracted from the quotient. The remainder left is 12. The number is : A) 20 B) 30 C) 40 D) 60
7 $\frac{5}{6}+\frac{6}{7}\times?-\frac{8}{9}+1\frac{3}{5}+\frac{3}{4}\times3\frac{1}{3}=2\frac{7}{9}$ A) 7/6 B) 6/7 C) 1 D) None of this
10 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
11 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
12 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
13 If 2x + y = 17; y + 2z = 15 and x + y = 9, then what is the value of 4x + 3y + z ? A) 41 B) 43 C) 42 D) 55
14 The number of students in each section of a school is 24. After admitting new students, three new sections were started. Now, the total number of sections is 16 and there are 21 students in each section. The number of new students admitted is : A) 14 B) 24 C) 48 D) 114
15 A 70 cm long wire is to be cut into two pieces such that one piece will be 2/5 as long as the other. How many centimetres will the shorter piece be ? A) 10 B) 14 C) 20 D) 28