Can u handle this withing time constrain ??

u know the rule, 1.5min /question 49/ A company has published results for the years ended 2002 and 2003. Which of the following is true? ------------------------------2002------------- 2003 Operating margin ---------15% ----------16% Asset turnover -----------1.2------------------- 1.2 Interest expense rate -------10% -----------11% Leverage multiplier ------------1.4 -------------------1.5 Tax retention rate ---------.7---------------- .7 A:ROE rose in 2003 due to increased profit margins and leverage B: ROE fell in 2003 due to increased net profit margins C: ROE fell in 2003 due to decreased asset turnover and leverage D: ROE rose in 2003 due to decreased asset turnover and leverage 50/ A company has published results for the years ended 2002 and 2003. Which of the following is true? ----------------------------------2002 --------------2003 Operating margin --------15% --------------16% Asset turnover------------- 1.2 --------------1.2 Interest expense rate ------10% --------------13% Leverage multiplier --------1.4 --------------1.5 Tax retention rate --------.7 -------------- .7 A:ROE rose in 2003 due to increased profit margins and leverage B: ROE fell in 2003 due to increased net profit margins C: ROE fell in 2003 due to over leverage D: ROE rose in 2003 due to decreased asset turnover and leverage 51/ A company has published results for the years ended 2002 and 2003. Which of the following is true? -------------------------------2002---------------- 2003 Operating margin ---------13%---------------- 16% Asset turnover -------------1.3 --------------1.2 Interest expense rate--------- 11% -----------11% Leverage multiplier--------- 1.4 --------------1.2 Tax retention rate--------- .7 --------------.7 A:ROE rose in 2003 due to increased profit margins and leverage B: ROE fell in 2003 due to increased net profit margins C: ROE fell in 2003 due to over leverage D: ROE rose in 2003 due to increased profit margins 52/ A company has the following information for the years 2002 and 2003. From 2002 to 2003 which of the following is true? -------------------------- 2002 ------------------2003 Sales ----------------------1,000 --------------2,300 COGS --------------------400 ----------1,500 Average receivables --150 ----------370 Average inventory ------200---------- 420 Average trade payables 150 ----------240 A:Cash conversion cycle increased Inventory turnover decreased B:Cash conversion cycle decreased Inventory turnover decreased C:Cash conversion cycle decreased Inventory turnover increased D: Cash conversion cycle increased Inventory turnover increased and I’ve got 2 more, just like these, of curse u’ve noted that the figures change each time is there a shorcut ??

53: ------------------ 2002 ----------2003 Sales ----------2,000 ---------1,800 COGS ---------600 ---------1,500 Average receivables ---------250 1---------70 Average inventory ---------300 ---------220 Average trade payables--------- 250 ---------240 same set of answer 54: ---------2002 ------------2003 Sales ---------1,000 ---------1,800 COGS ---------550 ---------1,500 Average receivables ---------150--------- 180 Average inventory ---------200 ---------220 Average trade payables ---------250 ---------240