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.Management Sciences
Category: Areas
The Total cost of flooring a room at Rs.8.50 per square meter is Rs.510. If the length of the room is 8km it’s breadth is__________?
A. 7.5m
B. 8.5m
C. 10.5m
D. 12.5m
he perimeter of a circle and a square field are equal. What is the diameter of the circle field if the area of the square field is 484 sq.m?
A. 14m
B. 21m
C. 28m
D. None of these
The area of largest triangle that can be inscribed in a semicircle of radius R cm is__________?
A. 2R cm2
B. R2 cm2
C. 1/2 R2 cm2
D. 2 R2 cm2
The length of a rectangle is increased by 60 %. By what percent would the width have to be decreased to maintain the same area?
A. 37 ½ %
B. 60 %
C. 75 %
D. 120%
Sides of a rectangular park are in the ratio 3: 2 and its area is 3750 sq m, the cost of fencing it at 50 ps per meter is_______?
A. Rs.150
B. Rs.100
C. Rs.125
D. Rs.175
The ratio of the area of a square to that of the square drawn on its diagonal is?
A. 2:5
B. 3:4
C. 3:5
D. 1:2
A rectangular carpet has an area of 120 sq.m and a perimeter of 46 m. The length of its diagonal is:_________?
A. 15 m
B. 16 m
C. 17 m
D. 20 m
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