1 . | Answer : Option C | Explanation : | | | | 2 . | Answer : Option D | Explanation : | | | | 3 . | Answer : Option B | Explanation : | Req. ratio = (29.5 + 55.5 + 51) : (38.5 + 54.75 + 60.75) = 136 : 154 = 68 : 77 | | | 4 . | Answer : Option D | Explanation : | Req. % =$400\over530$x75.47≈75% | | | 5 . | Answer : Option C | Explanation : | Req.%=$51\over31$x100=164.51% | | | 6 . | Answer : Option B | Explanation : | | | | 7 . | Answer : Option A | Explanation : | Let expenditure was x lakhs ∴ 50=$30-x\over x$x100 →50x=3000-100x →x=20lakhs | | | 8 . | Answer : Option B | Explanation : | In 2007, rise % = $35-10\over10$x100=250
In 2009, rise % =$55-30\over30$x100=83.33% In 2010, fall % = $55-30\over55$x100=45.45% In 2006, fall % =$20-10\over20$x100=50% In 2008, fall % = $35-30\over35$x100=14.28%
| | | 9 . | Answer : Option C | Explanation : | Req. % = $(50-45)\over45$x100=11.11%≈11% | | | 10 . | Answer : Option D | Explanation : | Req. % profit = $35-15\over45$x100=133.33% | | | |
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