Discussion
Home ‣ Aptitude ‣ Decimal Fraction Comments
- Question
What decimal of an hour is a second?
Options- A. .0025
- B. .0256
- C. .00027
- D. .000126
- Correct Answer
- .00027
ExplanationRequired decimal = 1 = 1 = .00027 60 x 60 3600 - 1. The least among the following is:
Options- A. 0.2
- B. 1 ? 0.2
- C. 0.2
- D. (0.2)2 Discuss
- 2. When 0.232323..... is converted into a fraction, then the result is:
Options- A.
1 5 - B.
2 9 - C.
23 99 - D.
23 100
Discuss
- 3. 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:
Options- A. 0.02
- B. 0.2
- C. 0.04
- D. 0.4 Discuss
- 4.
The value of 489.1375 x 0.0483 x 1.956 is closest to: 0.0873 x 92.581 x 99.749
Options- A. 0.006
- B. 0.06
- C. 0.6
- D. 6 Discuss
- 5.
5 x 1.6 - 2 x 1.4 =? 1.3
Options- A. 0.4
- B. 1.2
- C. 1.4
- D. 4 Discuss
- 6.
0.0203 x 2.92 =? 0.0073 x 14.5 x 0.7
Options- A. 0.8
- B. 1.45
- C. 2.40
- D. 3.25 Discuss
- 7. 0.002 x 0.5 =?
Options- A. 0.0001
- B. 0.001
- C. 0.01
- D. 0.1 Discuss
- 8.
(0.1667)(0.8333)(0.3333) is approximately equal to: (0.2222)(0.6667)(0.1250)
Options- A. 2
- B. 2.40
- C. 2.43
- D. 2.50 Discuss
- 9. The correct expression of 6.46 in the fractional form is:
Options- A.
646 99 - B.
64640 1000 - C.
640 100 - D.
640 99
Discuss
- 10.
Which of the following fractions is greater than 3 and less than 5 ? 4 6
Options- A.
1 2 - B.
2 3 - C.
4 5 - D.
9 10
Discuss
Decimal Fraction problems
Search Results
Correct Answer: (0.2)2
Explanation:
| 1 ? 0.2 = | 1 | = | 10 | = 5; |
| 0.2 | 2 |
0.2 = 0.222...;
(0.2)2 = 0.04.
0.04 < 0.2 < 0.22....<5.
Since 0.04 is the least, so (0.2)2 is the least.
Correct Answer:
| 23 |
| 99 |
Explanation:
| 0.232323... = 0.23 = | 23 |
| 99 |
Correct Answer: 0.04
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
Correct Answer: 0.06
Explanation:
| 489.1375 x 0.0483 x 1.956 | ≈ | 489 x 0.05 x 2 |
| 0.0873 x 92.581 x 99.749 | 0.09 x 93 x 100 |
| = | 489 |
| 9 x 93 x 10 |
| = | 163 | x | 1 |
| 279 | 10 |
| = | 0.58 |
| 10 |
= 0.058 ≈ 0.06.
Correct Answer: 4
Explanation:
| Given Expression = | 8 - 2.8 | = | 5.2 | = | 52 | = 4. |
| 1.3 | 1.3 | 13 |
Correct Answer: 0.8
Explanation:
| 0.0203 x 2.92 | = | 203 x 292 | = | 4 | = 0.8 |
| 0.0073 x 14.5 x 0.7 | 73 x 145 x 7 | 5 |
Correct Answer: 0.001
Explanation:
2 x 5 = 10.
Sum of decimal places = 4
∴ 0.002 x 0.5 = 0.001
Correct Answer: 2.50
Explanation:
| Given expression |
|
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| = 2.50 |
Correct Answer:
| 640 |
| 99 |
Explanation:
| 6.46 = 6 + 0.46 = 6 + | 46 | = | 594 + 46 | = | 640 | . |
| 99 | 99 | 99 |
Correct Answer:
| 4 |
| 5 |
Explanation:
| 3 | = 0.75, | 5 | = 0.833, | 1 | = 0.5, | 2 | = 0.66, | 4 | = 0.8, | 9 | = 0.9. |
| 4 | 6 | 2 | 3 | 5 | 10 |
Clearly, 0.8 lies between 0.75 and 0.833.
| ∴ | 4 | lies between | 3 | and | 5 | . |
| 5 | 4 | 6 |
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