a) 121 b) 73 c) 48 d) none
2) Factors of a³- 64a are
a) a(a-8)² b) (a+8)(a-8) c) a(a+8)(a+8) d) a(a+8)²
3) If 3(y-3)= 5(2y+1) then y is
a) 3 b) -3 c) 2 d) -2
4) If one angle of a parallelogram is 30° less than other angle, then the larger angle is
a) 150 b) 75 c) 105 d) 210
5) A polyhedron have 7 faces, 10 vertices and 15 edges. Name of the polyhedron is
a) hexagonal prism
b) Pentagonal prism
c) hexagonal pyramid d) none
6) The base of a triangle is twice its height. If the area of the triangle is 25 cm², then the base is
a) 10 b) 20 c) 5 d) 25
7) From a well shuffled deck of 52 playing cards, one card is drawn at random then the probability that card drawn is a black jack.
a) 1/13 b) 1/26 c) 2/23 d) 1/52
8) Amongst the following, the one having exactly one line of symmetry is
a) 0 b) 3 c) 6 d) 8
9) In a pentagonal pyramid number of faces, vertices and edges are
a) F= 6, V= 6, E= 10
b) F= 7, V= 7, E= 12
c) F= 6, V= 8, E= 12
d) none
10) If the lateral surface area of a cube is 144cm², then its volume is
a) 36cm³ b) 216cm³ c) 288cm³ d) none
11) (103²- 97²)/200 is equal to
a) 3 b) 4 c) 5 d) 6
12) If the sum of three consecutive even integer s is 36, then the largest integer is
a) 10 b) 12 c) 14 d) 16
13) Product of rational number -4/7 and its additive inverse is
a) 16/49 b) -16/49 c) 1 d) 0
14) What should be subtracted from -3/5 to get -2/3?
a) 1/15 b) -1/15 c) 19/25 d) -19/15
15) The value of (2/3)⁰ + (2/3)⁻¹ is
a) 3/2 b) -1/3 c) 5/2 d) none
16) The time in which ₹2000 amounts to ₹2662 at 20% per annum compounded half-yearly is
a) 1 b) 3/2 c) 2 d) 3
17) The volume of a cube is 216m³. Length of its side is
a) 3 b) 6 c) 9 d) 12
18) When the difference of a 2-digit number ab(a> b) and the number obtained by reversing the digits is divided by 9, then quotient is
a) a+ b b) b - a c) a- b d) none
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