moonlight serta
cm , is
A. 2 B. 3 C.5 D. 48 E. 12
- OAB is a sector of a circle with centre O, radius 8 cm and a perimeter 22 cm. Then the area
of sector, in square cm is
A. 6 B. 28 C. 24 D. 48 E. 12 - The area , in cm2 , of a circle has the same numerical value as the circumference, in cm, of
the same circle. The radius , in cm, is
A. 2 B. 1 C.2/π D.1/π E.1/2 - An arc PQ subtends an angle of 120° at the centre of a circle of radius 1 cm
. If a:b=3:5 and b:c=3:5, then a:b:c=………
A. 2:3:5 B.3:5:7 C.6:10:15 D. 9:15:25 E.9:20:27 - If a:b = 5:3 , then 3a+ 4b: 4a+3b is
A. 27:36 B. 29:27 C. 27:29 D. 26:29 E. 17:19 - If 2x +3y:2x+y=3:2, then x:y=……….
A. 3:2 B. 2:3 C. 4:3 D. 3:4 E. None of them - The cost of 40 pens is k. 360 and the cost of 30 pencils is k. 90. The ratio
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