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The correct answer is D
A right triangle ABC with sides 5 cm ,12cm and 13cm is revolved about the side 12 cm. What is the volume of the solid so obtained?
The ratio of zinc and copper in a brass pieces is 3:4. How much zinc will be there in 140 kg of such a piece?
X / Y = 7/8 and Y / Z = 8/9 find the value of (X+Y): (Y+Z): (Z+X).
If A : B = 9:3 and A is 24 more than B then find the sum of A and B.
Two numbers are respectively 60% and 30% more than a third number. Find the ratio of two numbers.