the ratio of the mark obtained by three friend equal 9 :7:12.if the difference between the largest and the smallest number equal to 25, find the mark of the three friends
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the Mark's obtain are 45,35,60
rahuldas123:
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let the comman ratio be x. the smallest no = 7. and the largest no = 12. therefore 12x - 7x = 25. 5x = 25. x = 25 ÷ 5 x = 5
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