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4. If eggs are bought at 10 for 8 and sold at 4 for 5. Find the gain percent.
5. A sum of money doubles itself in 8 years. What is the rate of interest?
000 is borrowed at 8% rate of interest p.a. find the interest and amount a
% na
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Step-by-step explanation:
4. CP : SP = 10/8 : 4/5 = 10/8 × 5/4 = 25/16
= 25 : 16
gain % = 9/25 = 36% [ Ans]
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