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If seven times a number is added to one-fifth of itself, then five-sixth of the sum is equal to 30. Find the numberA. 5B. 6C. 15D. 10 |
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Answer» Correct Answer - a Let the number be x According to the problem `(5)/(6) (7x + (x)/(5)) = 30` `rArr (5)/(6) ((35 + x)(5)) = 30` `rArr 6x = 30` `x = 5` Hence, the correct option is (a) |
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