Q. An army lost 10% of its men in war, 10% of the remaining died due to disease and 10% of the rest were declared disabled. Thus the strength of the army was reduced to 7,29,000 active men. The original strength of the army was ?
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Q. If each side of a square is increased by 25%, find the percentage change in its area?
Q. If the purchase price is Rs. 200 and the profit is 25%, then the selling price will be?
Q. The compound interest on Rs. 30,000 at 7% per annum for n years is Rs. 4347. The value of n is ?
Q. In a race of 200 m, A can beat B by 31 m and C by 18 m. In a race of 350 m, C will beat B by
Q. If the cost price is 25% of selling price. Then what is the profit percent.
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