If instead of multiplying a number by 7 the number was
divided by 7. What should be the percentage error?
(a) 100%
(b) 96.8%
(c) 92.70%
(d) 97.9%
(e) None of these
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Answer Posted / sabarish
let no be x.
let actual ans be 7x
new ans = x/7
error=7x-x/7 = 48x/7
percentage = (48x/7)/7x * 100 = 97.9% = (d)
| Is This Answer Correct ? | 94 Yes | 5 No |
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