Simplification problems
- 1. (48 - 12 x 3 + 9) / (12 - 9 ÷ 3) =?
Options- A. 3
- B. 21
- C. 7 / 3
- D. 1 / 3 Discuss
Correct Answer: 7 / 3
Explanation:
Given expression = (48 - 12 x 3 + 9) / (12 - 9 ÷ 3)
= (48 - 36 + 9) / (12 - 3)
= 21 / 9
= 7 / 3
- 2. .01 x .3 ÷ .4 x .5 =?
Options- A. .015
- B. .0375
- C. .00375
- D. .1 Discuss
Correct Answer: .00375
Explanation:
Given expression = .01 x .3 ÷ .4 x .5
= .0015 ÷ .4
= .00375
- 3. .05 x 5 - .005 x 5 =?
Options- A. 2.25
- B. .225
- C. 2.025
- D. .29875 Discuss
Correct Answer: .225
Explanation:
Given expression = .25 - .025
= .250 - .025
= 0.225
- 4. 4 - 3.6 ÷ 4 + 0.2 x 0.5 =?
Options- A. 3.2
- B. .2
- C. 1.65
- D. .15 Discuss
Correct Answer: 3.2
Explanation:
Given expression = 4 - 3.6 ÷ 4 + 0.2 x 0.5
= 4 - 0.9 + 0.1
= 3.2
- 5. 0.5 x 0.5 + 0.5 ÷ 5 =?
Options- A. 0.15
- B. 0.25
- C. 0.35
- D. 0.45 Discuss
Correct Answer: 0.35
Explanation:
Given Exp. = 0.5 x 0.5 + 0.5 ÷ 5
= 0.25 + 0.1
= 0.35
- 6. 8 ÷ 4 (3 - 2) x 4 + 3 - 7 =?
Options- A. - 3
- B. - 4
- C. 4
- D. 5 Discuss
Correct Answer: 4
Explanation:
Given expression = 8 ÷ 4 (3 - 2) x 4 + 3 - 7
= 8 x (1/4) x 1 x 4 + 3 - 7
= 8 + 3 - 7
= 4
- 7. (20 ÷ 5) ÷ 2 + (16 ÷ 8) x 2 + (10 ÷ 5) x (3 ÷ 2) =?
Options- A. 9
- B. 12
- C. 15
- D. 18 Discuss
Correct Answer: 9
Explanation:
Given expression = (20 ÷ 5) ÷ 2 + (16 ÷ 8) x 2 + (10 ÷ 5) x (3 ÷ 2)
= (4 / 2) + (2 x 2) + 2 x (3 / 2)
= 2 + 4 + 3
= 9
- 8. 3120 ÷ 26 + 13 x 30 =?
Options- A. 2400
- B. 3900
- C. 536
- D. None of these Discuss
Correct Answer: None of these
Explanation:
Given Expression = 3120 ÷ 26 + 13 x 30
= 120 + 13 x 30
= 120 + 390
= 510
- 9. 7 + 7 ÷ 7 x 7 =?
Options- A. 2 / 7
- B. 14
- C. 71/7
- D. 42 Discuss
Correct Answer: 14
Explanation:
Given Expression = 7 + 7 ÷ 7 x 7
= 7 + 7 x (1/7) x 7
= 7 + 7
= 14
- 10. 5005 - 5000 ÷ 10.00 =?
Options- A. 0.5
- B. 50
- C. 5000
- D. 4505 Discuss
Correct Answer: 4505
Explanation:
Given expression = 5005 - 5000 ÷ 10.00
= 5005 - 500
= 4505
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