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14 Jan 2018, 06:21
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B
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Difficulty:
95%
(hard)
Question Stats:
44% (02:15) correct
56%
(02:03)
wrong
based on 352
sessions
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If the fraction 7/88 is expressed as a decimal, how many distinct digits will there be to the right of the decimal?
A. 6
B. 5
C. 4
D. 3
E. 2
A. 6
B. 5
C. 4
D. 3
E. 2
14 Jan 2018, 08:48
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Bunuel
\(\frac{1}{11}\) = \(0.0909.........\)
\(\frac{1}{8}\) = \(0.125\)
Now, \(\frac{1}{11} * \frac{1}{8}\) = 0.011363636363636.........
Thus, there will be 5 distinct digits will there be to the right of the decimal, answer will be (B)
23 Oct 2018, 09:27
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Bunuel
This calls for some long division
NOTE: We'll perform long division until we get a repeated digit.
So, 7 ÷ 88 = 0.079545 (repeated digit)
This means 7 ÷ 88 = 0.0795454545454.....
So, the digits to the right of the decimal are: 0's, 7's, 9's, 4's, and 5's
There are 5 distinct digits
Answer: B
Cheers,
Brent
