1) Monthly income of Suman in the year 2009 was approximately what percentage of the monthly income of Jyoti in the year 2010? A) 72 B) 89 C) 83 D) 67 Answer: Option CExplanation:Monthly income of Suman in year 2009 = Rs 29000 Monthly income of Jyoti in year 2010 = Rs 35000 = $\frac{29000}{3500}\times100$ = 82.85% = 83%