The average score of boys in class X in an exam is 71 and that of the girls in that class is 73. If the average score of class X in that exam is 71.8. Find the ratio of number of boys to number of girls in that class. |
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(a) |
1 : 2 |
(b) |
2 : 1 |
(c) |
2 : 3 |
(d) |
3 : 2 |

The average score of boys in class X in an exam is 71 and that of the girls in that class is 73. If the average score of class X in that exam is 71.8. Find the ratio of number of boys to number of girls in that class. |
|||||||

(a) |
1 : 2 |
(b) |
2 : 1 |
(c) |
2 : 3 |
(d) |
3 : 2 |

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