Aptitude - Decimal Fraction
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OverviewExercise"Time and tide wait for none."
- Alexander Pope
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| 6. |
When 0.232323..... is converted into a fraction, then the result is:
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Answer: Option C
Explanation:
| 0.232323... = 0.23 = |
23 |
| 99 |
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| 7. |
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Answer: Option C
Explanation:
| Let |
.009 |
= .01; Then x = |
.009 |
= |
.9 |
= .9 |
| x |
.01 |
1 |
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| 8. |
The expression (11.98 x 11.98 + 11.98 x x + 0.02 x 0.02) will be a perfect square for x equal to:
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Answer: Option D
Explanation:
Given expression = (11.98)2 + (0.02)2 + 11.98 x x.
For the given expression to be a perfect square, we must have
11.98 x x = 2 x 11.98 x 0.02 or x = 0.04
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| 9. |
| (0.1667)(0.8333)(0.3333) |
is approximately equal to: |
| (0.2222)(0.6667)(0.1250) |
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Answer: Option D
Explanation:
| Given expression |
| = |
(0.3333) |
x |
(0.1667)(0.8333) |
| (0.2222) |
(0.6667)(0.1250) |
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3 |
x |
1 |
x |
5 |
x |
3 |
x 8 |
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| 2 |
6 |
6 |
2 |
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= 2.50 |
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| 10. |
3889 + 12.952 - ? = 3854.002
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Answer: Option B
Explanation:
Let 3889 + 12.952 - x = 3854.002.
Then x = (3889 + 12.952) - 3854.002
= 3901.952 - 3854.002
= 47.95.
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