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.Management Sciences
Category: Areas
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
A rectangular tank is 225 m by 162m at the base with what speed must water flow into it through an aperture 60cm by 45cm that the level may be raised 20cm in 5 hours?
A. 5000 m/hr
B. 5200m/hr
C. 5400 m/hr
D. 5600 m/hr
The perimeter of one square is 48 cm and that of another is 20 cm. Find the perimeter and the diagonal of a square which is equal in area to these two combined?
A. 15√2 cm
B. 13√2 cm
C. 16√2 cm
D. 17√2 cm
The product of the area of three adjacent faces of a rectangular box is equal to___________?
A. the volume of the box
B. Twice the volume of the box
C. the square of the volume of the box
D. Cube root of the volume of the box
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