Decimal Fraction problems
- 1. 0.000033 / 0.11=?
Options- A. .003
- B. .03
- C. .0003
- D. .3 Discuss
Correct Answer: .0003
Explanation:
0.000033 / 0.11 = 0.0033 / 11 =.0003
- 2. 25 / .0005 =?
Options- A. 50
- B. 500
- C. 5000
- D. None of these Discuss
Correct Answer: 5000
Explanation:
25 / .0005 = 250000 / 5 = 50000
- 3. [12 / (0.09 of 0.3)] x 2=?
Options- A. 0.8
- B. 0.08
- C. 8
- D. None of these Discuss
Correct Answer: None of these
Explanation:
Given expression = ( 12/ 0.027) x 2
= ( 12 / 0.027) x 2 = 24000/27
= 8000/9
- 4. 50.8 / 2540 =?
Options- A. 2
- B. .2
- C. 0.002
- D. 0.02 Discuss
Correct Answer: 0.02
Explanation:
50.8 / 2540 = 508 / 25400
= 2 / 100
= .02
- 5. 0.0169 / 0.013=?
Options- A. .13
- B. .013
- C. 1.3
- D. 13 Discuss
Correct Answer: 1.3
Explanation:
0.0169 / 0.0130 = 169 / 130
= 13 / 10
- 6. 15.60 x 0.30=?
Options- A. 4.68
- B. 0.458
- C. 0.468
- D. 0.0468 Discuss
Correct Answer: 4.68
Explanation:
? 1560 x 30 = 46800
? 15.60 x 0.30 = 4.6800
= 4.68 ( Four places of decimal )
- 7. 3 x 0.3 x 0.03 x 0.003 x 30=?
Options- A. .0000243
- B. .000243
- C. .00243
- D. .0243 Discuss
Correct Answer: .00243
Explanation:
3 x 3 x 3 x 3 x 30 = 2430
? 3 x 0.3 x 0.03 x 0.003 x 30 = 0.002430 (Six places of decimal )
- 8. 16.7 + 12.38 -? =10.09
Options- A. 17.89
- B. 18.99
- C. 16.98
- D. 20.09 Discuss
Correct Answer: 18.99
Explanation:
Let 16.7 + 12.38 - x =10.09
? x = 16.7 + 12.38 - 10.09
= 18.99
- 9. 0.6 + 0.66 + 0.066 + 6.606 =?
Options- A. 6.744
- B. 6.738
- C. 7.932
- D. 7.388 Discuss
Correct Answer: 7.932
Explanation:
0.6 + 0.66 + 0.066 + 6.606 = 0.600 + 0.660 + 0.066 + 6.660
= 7.932
- 10. What decimal of an hour is a second?
Options- A. .0025
- B. .0256
- C. .00027
- D. .000126 Discuss
Correct Answer: .00027
Explanation:
Required decimal = 1/ ( 60 x 60)
= .00027
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