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 / 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 |
Answer / $onal m. bhalerao
consider any nember Let i considers that number as 4
actual answer is 28
by dividing is 0.57
%error is=(28-0.57)/28*;
=98.7
| Is This Answer Correct ? | 3 Yes | 8 No |
124,235,346,457,568,___,___.
a sum 's' is devided into 4 parts.second person gets Rs 10 more than first.3rd person is Rs 10 more than second, 4th is 10 more than 3rd. how much amount do 1st person get?
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