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Ravi had got twice as much as marks as Ramu. His teacher had made him a promise that, for every mark he scores above Ramu, he would be awarded 50% of those marks as bonus. Find the ratio of his bonus marks to the total marks of Ravi and Ramu.

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Lets say Ramu has got x marks.
Then Ravi would had got 2x marks initially. But his teacher has promised a bonus of 50% of marks from the extra marks he got more than Ravi.

Hence he would be awarded x/2 marks as bonus. Total marks of Ravi = 2x + x/2 = 5x/2.

Total marks of both the students = Total marks of Ramu + Total marks of Ravi
= x + 5x/2 = 7x/2.

Ratio of Ravi's bonus mark to the Total marks of Ravi and Ramu would be (x/2) divided by (7x/2) = 1/7.
12 years agoHelpfull: Yes(12) No(2)

let ramu marks is 100 then ravi marks will be 200
bonus=200-100=100*50/100=50
then ratio: bonus/total marks
50/350=1:7
9 years agoHelpfull: Yes(2) No(0)
Guess Ramu got 100 marks ,So Ravi would get 200 marks & Y marks are bonus
200=100+150/100y+y
y=40
So Ans=(40*3/2*100)/(100+200)=20%
9 years agoHelpfull: Yes(1) No(0)

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