Matter is composed of three fundamental particles. They are __________. (a. Electrons, Protons, Neutrons b. Electrons, Cathode rays, masons c. Electrons, neutrons, masons)

Asked by Narendra Kumar Sharma 17/02/2015 Last Modified 07/10/2025

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In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit? A. 30% B. 70% C. 100% D. 250%

Let C.P.= Rs. 100. Then, Profit = Rs. 320, S.P. = Rs. 420. New C.P. = 125% of Rs. 100 = Rs. 125 New S.P. = Rs. 420. Profit = Rs. (420 - 125) = Rs. 295. Required percentage = 295 x 100 % = 1475 % = 70% (approximately). 420 21 ans=70%

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A, B and C jointly thought of engaging themselves in a business venture. It was agreed that A would invest Rs. 6500 for 6 months, B, Rs. 8400 for 5 months and C, Rs. 10,000 for 3 months. A wants to be the working member for which, he was to receive 5% of the profits. The profit earned was Rs. 7400. Calculate the share of B in the profit. A. Rs. 1900 B. Rs. 2660 C. Rs. 2800 D. Rs. 2840

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Matter is composed of three fundamental particles. They are __________. (a. Electrons, Protons, Neutrons b. Electrons, Cathode rays, masons c. Electrons, neutrons, masons)

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