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.Management Sciences
Category: Areas
The length of rectangle is thrice its breadth and its perimeter is 96 m, find the area of the rectangle?
A. 432 sq m
B. 356 sq m
C. 452 sq m
D. 428 sq m
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
parallelogram has sides 60 m and 40 m and one of its diagonals is 80 m long then its area is:__________?
A. 480 sq.m
B. 320 sq.m
C. 600√15 sq.m
D. 450√15
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%
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