Question

the ration of marks scored by sia and tia is 2:3 and that by tia and ria is 6:7 if sia scored 48 marks then what would be the average of marks scored by tia and ria:?
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Answer 1

Answer: tia scored 72 marks and ria scored 84 marks.

Step-by-step explanation:

sia : tia= 2:3

tia : ria= 6:7

if sia scored 48 marks then tia scored=$\frac{3*48}{2}$=3*24=72

and ria scored=$\frac{7*72}{6}$=7*12=84

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Answer 2

Answer:

84

Step-by-step explanation:

sia : tia= 2:3

tia : ria= 6:7

if sia scored 48 marks then tia scored=\frac{3*48}{2}

2

3∗48

=3*24=72

and ria scored=\frac{7*72}{6}

6

7∗72

=7*12=84