# CTET Solved Paper - RTET Feburary 2011 Paper2

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• Option : C
• Explanation : Marked price = (CP+ (10% of CP) = 100 + (0.1 x100) =t 110 Discount = 10% of 110 = { 11 :. Selling price= 110-11= ~99

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• Option : B
• Explanation : a : b : : c: d => a/b = c/d => a x d=b x c So, ac = bd is incorrect.

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• Option : C
• Explanation : Number of member after first year. = 2500 (1 + 10/100)= 2750. Number of member after second year. = 2750 (1- 10 1100) = 2475. Decrease in the number of members after 2 yr. = 2500 - 2475 = 25

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• Option : A
• Explanation : 2222 = 224 = 216.
(22)22 = 44.
(222)2 = (24)2 = 162.

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