Q41. The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:
A. 2620
B. 2420
C. 2520
D. 2320
Q42. The ratio of the area of a square to that of the square drawn on its diagonal is
A. 1:2
B. 2:3
C. 3:1
D. 4:1
Q43. The inner circumference of a circular race track, 14 m wide, is 440 m. Find radius of the outer circle
A. 33
B. 22
C. 84
D. 44
Q44. The cost of fencing a square field @ Rs. 20 per metre is Rs.10.080.How much will it cost to lay a three meter wide pavement along the fencing inside the field @ Rs. 50 per sq m
A. 73800
B. 43800
C. 83800
D. 53800
Q45. Three circles of radius 3.5cm are placed in such a way that each circle touches the other two. The area of the portion enclosed by the circles is
A. 1.767
B. 1.567
C. 1.867
D. 1.967
Q46. The dimensions of a room are 10m x 7m x 5m. There are 2 doors and 3 windows in the room. The dimensions of the doors are 1m x 3m. One window is of size 2m x 1.5m and the other 2 windows are of size 1m x 1.5m. The cost of painting the walls at Rs. 3 per sq m is
A. Rs.474
B. Rs.274
C. Rs.174
D. Rs.374
Q47. The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ Rs. 26.50 per metre is Rs. 5300, what is the length of the plot in metres?
A. 20
B. 200
C. 300
D. 400
Q48. The altitude drawn to the base of an isosceles triangle is 8cm and the perimeter is 32cm. Find the area of the triangle?
A. 80
B. 70
C. 50
D. 60
Q49. One side of a rectangular field is 15m and one of its diagonal is 17m. Find the area of field?
A. 110
B. 140
C. 120
D. 130
Q50. A room of 5m 44cm long and 3m 74cm broad is to be paved with squre tiles. Find the least number of squre tiles required to cover the floor.
A. 176
B. 146
C. 136
D. 166
