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.Management Sciences
Category: Areas
The perimeter of a rectangle is 60m. If it’s length is twice its breadth then its area is__________?
A. 160m2
B. 180m2
C. 200m2
D. 220m2
(more…)
The area of a sector of a circle of radius 5 cm formed by an arc of length 3.5 cm is__________?
A. 0.35 cm2
B. 17.5 cm2
C. 8.75 cm2
D. 55 cm2
The ratio of the radius of two circles is 1: 3, and then the ratio of their areas is_________?
A. 1:3
B. 1:6
C. 1:9
D. 1:5
A tank is 7m long and 4m wide at what speed should water run through pipes 5cm broad and 4cm deep so that in 6 hours and 18 minutes, the water level in the tank rises by 4.5cm?
A. 12km/hr
B. 10km/hr
C. 14km/hr
D. None of these
The radius of a circular wheel is 17.5m. How many revolutions will it make in travelling 11km?
A. 10
B. 100
C. 1000
D. 10,000
If the perimeter of a rectangular garden is 600 m, its length when its breadth is 100 m is________?
A. 650 m
B. 600 m
C. 200 m
D. 300 m
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