41. Present ages of Abi and
Suji are in the ratio of 5:4 respectively. Three years hence, the ratio of
their ages will become 11:9 respectively. What is Suji's present age in years?
42. The difference between
the ages of two person is 10 years. Fifteen years ago, the elder one was twice
as old as the younger one. The present age of the elder person is
43. The ratio of the volume
of a cube to that of a sphere which will fit insidethe cube is
A.4:π B.6:π
C.4:3π D. 2:π
44. Pranav spends 30% of
his monthly income on food articles, 40% of the remaining on conveyance and
clothes and saves 50% of the remaining. If his monthly salary is Rs.18400, how
much money does he save every month?
45. The difference between
the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then
its area is:
A. 1520 m2 B. 2420 m2
C. 2480 m2 D. 2520 m2
46. Consider the following
figure. <A=x+30; <D= x-40. Find <B?
a. 125o
b. 55o
c. 155o
d. 122o
47. Find the area of a
square, the product of whose diagonals is 66 cm2
a) 30 cm2
b) 33 cm2
c) 36 cm2
d) 42 cm2
48. The length of a
rectangle is halved, while its breadth is tripled. What is the percentage
change in area?
A. 25% increase B. 50% increase
C. 50% decrease D. 75% decrease
49. A lawn is in the form
of a rectangle having its sides in the ratio 2:3 the area of the lawn is 1/6
hectares. Find the length of the lawn?
a. 45
b. 50
c. 33
d. 40
50. In a parallelogram the
length of one diagonal and the perpendicular dropped on that diagonal are 30 m
and 20 m respectively. Find its area?
a. 600
b. 400
c. 500
d. 200
