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Q. If the radius of the cone is increased by 10% and the height of the cone is decreased by 20%, then find the percentage change of the volume of the cone?
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Q. A coaching institute has students in 3 batches – X, Y and Z. In a certain examination, the ave...
Q. If there is a profit of 20% on the cost price, the per centage of profit on the sale price is
Q. If A : B = 2 : 3, B : C = 4 : 5 and C : D = 5 : 9 then A : D is equal to:
Q. The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is:
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