How much should be added to each term of 4 : 7 so that it becomes 2 : 3?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e 2
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Understanding |
Application |
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Let number to be added is ‘x’. Cross-multiply both sides. |
(4 + x)/(7 + x) = 2/3 12 + 3x = 14 + 2x 3x - 2x = 14 - 12 x = 2 |