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#1
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Please Solve These Questions
I am unable to solve these questions. Somebody please help me. I have got these questions from some pakistani author book.
1) There were 30 members in a certain hosted. If 10 members are more admitted, the expenses of the mess was increased by Rs. 40 per month while the average expenditure per head diminished by Rs. 2. What are the original Monthly Expenses are? 2) The average expenditure of a man for the first 7 months is Rs. 120 and for the next 5 months is Rs. 130. He withdrew a sum of Rs. 220 from his bank. What is his average monthly income is? Waiting for the reply anxiously. |
#2
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Dear all,
we would be thankful, if someone can solve above word problems. thanks Regards. |
#3
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Quote:
Expenditures for 5 months = 130 x 5 = 650 Total for one year comes to = 1490 Less with drawn amount, 1490 - 220 = 1270 Average for one month = 1270/12= Quote:
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The Following User Says Thank You to Rana G For This Useful Post: | ||
kalo (Monday, February 24, 2014) |
#4
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plz all seniors are requested to help me out.....plzzzz
I just want to ask seniors here that i have just passed my intermeditae n hav got admission for b.com, i will do it privately now i wanted to prepare for css exams.. now my querry is that is only b.com is okie or shall i do bba or any other bachelor degree...
plz help plzzzz
__________________
LA ILLAHA ILLALAHO MOHAMMAD RASULLALLAH SALALLAHO ALAIHI WASALAM...!!! |
#5
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1) There were 30 members in a certain hosted. If 10 members are more admitted, the expenses of the mess was increased by Rs. 40 per month while the average expenditure per head diminished by Rs. 2. What are the original Monthly Expenses are?
Let x = Original monthly cost & y = Average expenditure per head Two equations will be formed from the data equation - 1 => y = x/30 equation - 2 => y-2 = (x+40)/40 Putting the value of y from equation - 1 into equation - 2 we get, => (x/30)-2 = (x+40)/40 => (x-60)/30 = (x+40)/40 => (x-60)/3 = (x+40)/4 => 4x-240 = 3x+120 By cross multiplication => 4x-3x = 120+240 By rearranging => x = 360 Ans. 2) The average expenditure of a man for the first 7 months is Rs. 120 and for the next 5 months is Rs. 130. He withdrew a sum of Rs. 220 from his bank. What is his average monthly income? The solution made by rana g is right Good Luck |
#6
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@abbasi_faheem
Quote:
Quote:
If monthly expdtr is = 360 Averge expdtr of 40 members are 360/40 = 9 Averge expdtr of 30 members are 320/30 = 10.66 Average expdtre of 40 members is diminished by 1.66 not 2........ Did u mean to do it round of??? |
#7
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@Rana G
In my opinion Abbasi sb is right becuase: x = original expenditure before addition of 10 members which is 360. if x = 360 then average expenditure = x/30 = 360/30 = 12 and we add extra 40 Rs for 10 additional members then it is: x + 40 = 360 + 40 = 400 and average after addition = (x + 40)/40 = 400/40 = 10 so average expenditure reduced from Rs 12 to Rs 10. Regards |
#8
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@ newstudent
Yes i got ur point...Thanx..I made a reverse calculation while verifying the ans.........Gud Luck |
#9
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Quote:
Quote:
Last edited by Princess Royal; Friday, November 13, 2009 at 07:50 PM. |
#10
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@Abbasi Faheem
Brother I did not got your point? Where did i done something to prove you wrong. I rather appreciated your answer when I said that your solution is right. Regards |
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