1 . | Answer : Option B | Explanation : | It is $58\over67$x100=86.56% | | | 2 . | Answer : Option D | Explanation : | 4; Difference = 371 – 328 = 43 | | | 3 . | Answer : Option D | Explanation : | 5; % increase=$5\over60$x100=8.33% | | | 4 . | Answer : Option A | Explanation : | 4; Ratio = $108\over126$=$6\over7$=6:7 | | | 5 . | Answer : Option D | Explanation : | 5; Number of tyre sold in 2008 = 50 Number of tyre sold in 2012 = 65 % = $65-50\over50$x50x100=30% | | | 6 . | Answer : Option D | Explanation : | 4; To be maximum profit ratio E/I should be minimum so in 2011,it is 0.3 | | | 7 . | Answer : Option D | Explanation : | 4 | | | 8 . | Answer : Option B | Explanation : | For 2008 and 2012, E/I=0.8 so we can find the income =$60\over0.8$=75lakhs | | | 9 . | Answer : Option B | Explanation : | In 2009, ratio E/I=0.5 I=2e ie profit is 100% | | | 10 . | Answer : Option A | Explanation : | In 2009, profit is 100% as E/I=0.5=$5\over10$ %profit =100% in 2010,profit=$20\over80$x100=25% %decrease=$100-25\over100$x100=75% | | | |
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