There are 5 friends in a class who get marks in the ratio 3:4:5:6:7. The maxim

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There are 5 friends in a class who get marks in the ratio 3:4:5:6:7. The maximum marks are the same in each case. The total marks obtained by the 5 are ${\frac{3}{5}}^{t h}$ the maximum obtainable marks. How many friends got more than $70 %$ of the total marks?

Options:

A . 0

B . 1

C . 2

D . more than 2

Answer: Option C
:
C

Lets assume that the maximum marks are 100. total marks available =500

Total marks obtained by all 5 together $= \frac{3}{5} \times 500 = 300$

Which is divided in the ratio 3:4:5:6:7

Marks are 36, 48,60, 72 and 84. only 2 students get more than $70 % .$

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