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प्रश्न
The quantity added to each term of the ratio 6 : 11 so that it becomes equal to 3 : 4 is ______.
पर्याय
8
9
12
14
MCQ
रिकाम्या जागा भरा
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उत्तर
The quantity added to each term of the ratio 6 : 11 so that it becomes equal to 3 : 4 is 9.
Explanation:
Let x be the quantity added to both terms of the ratio 6 : 11
`(6 + x)/(11 + x) = 3/4`
4(6 + x) = 3(11 + x)
24 + 4x = 33 + 3x
4x − 3x = 33 − 24
x = 9
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