#81




Quote:
I have a lil bit of confusion in this part of question. Can you please help me with it. We have to calculate savings from 'other' expenditure not from the monthly income 24000. I get that, but from the pie chart in the figure we know that 'other' represents 16% of total expenditure. Which is Rs.145000, not 16% of monthly income i.e 24000. Then why are we calculating 'other' expenses as 16/100*24000? Why not 16/100*145000? What if the figure 24000 in the statement is misleading? If we assume 16% of 24000, that would disturb the whole pie chart and figures won't add up. I need urgent help with this question. Anyone please? 
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Masood Ehsan Bhatti (Wednesday, January 30, 2019) 
#82




I think we have to treat part C and D separately. It's just the pie chart that's common. Plus, if you see the "others" section consists of "savings", so savings can't be considered as a form of expenditure. Hence we can safely apply the ratios of the chart to the income directly in part D too. and the answers come out 1440.

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Masood Ehsan Bhatti (Wednesday, January 30, 2019) 
#83




Quote:
But we can't treat C and D separately. Because C & D on their own don't give us the whole information required to calculate the questions asked in C and D part. For example, in C part we are given the utilities expenditure (11600) only, and are asked to calculate the total expenditure. Total expenditure that represents the whole pie chart. For calculating that we need value 8/100 from the pie chart. So this part is not independent of the pie chart. P.s the amount of total expenditure 145000 (calculated in the C part) matches up with the pie chart. You calculate any expenditure out of 145000, you get the exact same %age value given in the pie chart. This part is fine. Now for the D part we are only given the breakup of 'other' in ratio 3:4:1. To calculate 'other' we have to go back to the pie chart to get the 16% value of other, so we could calculate savings from 'other'. Hence this part is not independent of the pie chart either. Now if we are taking 16% from the pie chart_which represents 16% of 145000 ((total expenditure) and not 16% of income_ why are we not calculating it accordingly in the D part, that is 16/100* 145000 ? Because in that case figure would match up with the given pie chart. Can't it be that 24000 is just given as distraction? 
#84




I have solved many questions on pie chart. All are asked in 45 parts according to the information given in the pie chart. No matter what are you calculating and by what method, at the end all the calculated figures in all parts match up with the information given in the pie chart. This the only exception, i have seen here in the D part of this question. That is, you calculate 'other' out of 24000 and disturb the whole pie chart. The figures don't add up. Hence the confusion. Is there any way to confirm that the answer calculated out of 24000 in this thread is the correct answer?

#85




If the income is 24000 how can the expenditure be 1,45,000 (unless IMF is very lenient on this particular family) . If 24000 is the income then the percentages apply as they are. And the only thing the examiner is checking here, in my opinion, is the application of .16 x 3/8 x (whatever is the value regardless). So shouldn't worry much on this part and simply solve it on the face value of 24,000 income, which is expressly mentioned.

#86




Quote:
8% of 145000 gives 11600= utilities 10% of 145000 gives 14500=local tax 26% of 145000 gives 37700= rent 15% of 145000 gives 21750= childcare 10% of 145000 gives 14500= travel 16%of 145000 gives 23200= other 15% of 145000 gives 217500= food Add them all up; you get 145000, and your expenditure is varified as per this pie chart. So, how they gave the figure of 24000 for monthly income? Which doesn't fit anywhere in this pie chart. That's why i doubted that this figure could be misleading. If i had been solving it in the exam hall, i also would have done it out of 24000. But that makes no sense. As in part D, they are asking you to calculate savings portion from 'other'. 'other' s value you have to get from the pie chart (16%). Which refers 16% of expenditure. But all of a sudden in part D. You are calculating 16% of income instead of expenditure. 
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Masood Ehsan Bhatti (Wednesday, January 30, 2019), OkIFeelBetterNow (2 Weeks Ago) 
#87




They have disturbed the beauty of Maths in this question �� which lies in the very fact that whatever way you calculate the figures, they all add up ultimately as a whole without any discrepancy. I guess i'm done protesting here. ��. If in the exam hall i would also calculate it out of 24000, since the examiner is also likely to go with the popular opinion and i would prefer marks over keeping the beauty of maths intact.��

#88




Question combination
Salamm,
plz confirm that is this compulsory to attempt 2,2 questions from both part or can i attempt a 3, 1 combination?? 
#89




Quote:
So 16% of 145,000 makes 21200, which when applied in ratio gives an answer of 1200.
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