five boys alan,ben,chris,den and eng share a sum of money
alan takes 1/5 of the sum of money
after alan has taken his share,ben takes 1/3 of the
remaining money
chris takes 1/4 of the remaining money
den takes 1/7 of remaining money
after den has taken his share, eng takes all remaining money
what fraction of the sum of money is eng's share?
Answers were Sorted based on User's Feedback
Answer / p m r k reddy
sol:
let the amount be X
then the share of eng is ===
= X*(1-(1/5))*(1-(1/3))*(1-(1/4)*(1-(1/7))
= X*(4/5)*(2/3)*(3/4)*(6/7)
= X*(12/35)
Ans: the share of Eng is 12/35
| Is This Answer Correct ? | 51 Yes | 0 No |
Answer / birbal kumar
(1/5)+(1/3)+(1/4)+(1/7)+x=1
(84+140+105+60)/420=1-x
389/420=1-x
x=1-389/420
x=31/420
| Is This Answer Correct ? | 0 Yes | 19 No |
Answer / sank
Alan's share x/5
Now, (x-x/5)(1/3+1/4+1/7)=61x/105
eng's share=x-(x/5+61x/105)=23x/105
ANS: 23/105
| Is This Answer Correct ? | 0 Yes | 20 No |
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