Rahul scored12 marks more than tanvi. If the ratio between the scores of tanvi and rahul is 3:4 respectively, what is the sum of their scores?
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Score of Tanvi=a
score of Rahul=b
a+12=b
b-a=12
Ratio of their score=3:4
Score of Tanvi=3x
Score of Rahul=4x
4x-3x=12
x=12
Score of Tanvi=3x
=3*12
=36
Score of Rahul=4x
=4*12
=48
Sum of their score=36+48
=84
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