4 One-fifth of a number exceeds one-seventh of the same by 10. The number is : A) 125 B) 150 C) 175 D) 200
5 A student was asked to solve the fraction $\frac{\frac{7}{3}+1\frac{1}{2}of \frac{5}{3}}{2+1\frac{2}{3}}$ and his answer was 1/4. By how much was his answer wrong? A) 1 B) 1/55 C) 1/220 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 (a - b) is 6 more than (c + d) and (a + b) is 3 less than (c - d), then (a - c) is : A) 0.5 B) 1 C) 1.5 D) None of these
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
11 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
12 It costs Rs. x each to make the first thousand copies of a compact disc and Rs. y to make each subsequent copy. If z is greater than 1000, how much will it cost to make z copies of the compact disc ? A) zx - zy B) 1000x + yz C) 1000 (x - y) + yz D) 1000 (z - y) + xz
13 In a garden, there are 10 rows and 12 columns of mango trees. The distance between the two trees is 2 metres and a distance of one metre is left from all sides of the boundary of the garden. The length of the garden is : A) 20m B) 22m C) 24m D) 26m
14 If one-third of a tank holds 80 litres of water, then the quantity of water that half of the tank holds is : A) 80/3 litres B) 100 litres C) 120 litres D) 240 litres
15 A fires 5 shots to B's 3 but A kills only once in 3 shots while B kills once in 2 shots. When B has missed 27 times, A has killed : A) 30 birds B) 60 birds C) 72 birds D) 90 birds