Approximation problems
- 1. 4182.395 ÷ 20.886 =?
Options- A. 300
- B. 200
- C. 150
- D. 250 Discuss
Correct Answer: 200
Explanation:
? = 4182.395 / 20.886 = 200.24873 = 200
- 2. 98743 ÷ 198 = 800 -?
Options- A. 200
- B. 250
- C. 300
- D. 350 Discuss
Correct Answer: 300
Explanation:
98743 ÷ 198 = 800 - ?
? ? = 800 - 98743/198 = 301.298 ? 300
- 3. 0.0004 ÷ 0.0001 x 36.000009 =?
Options- A. 0.10
- B. 1.45
- C. 145
- D. 14.5 Discuss
Correct Answer: 145
Explanation:
0.0004 ÷ 0.0001 x 36.0000009 = ?
? ? ? 4 ÷ 1 x 36 = 144 ? 145
- 4. 1679 ÷ 14.95 x 15.02 =?
Options- A. 540
- B. 525
- C. 545
- D. 565 Discuss
Correct Answer: 565
Explanation:
? = 1679 ÷ 14.95 x 5.02
? 1680 ÷ 15 x 5 = 560 ? 565
- 5. 425 ÷ 16.95 x? = 225
Options- A. 11
- B. 0.8
- C. 9
- D. 19 Discuss
Correct Answer: 9
Explanation:
425 ÷ 16.95 x ? = 225
? ? ? (225 x 17) / 425 = 9
- 6. 26.003 - 154 .001 ÷ 6.995 =?
Options- A. 4
- B. 18
- C. 9
- D. 10 Discuss
Correct Answer: 4
Explanation:
? = 26.003 - 154.001 ÷ 6.995
= 26 - 154 ÷ 7 = 26 - 22 = 4
- 7. 750.0003 ÷ 19.999 =?
Options- A. 49
- B. 18
- C. 22
- D. 38 Discuss
Correct Answer: 38
Explanation:
? = 750.0003 ÷ 19.999
? ? ? 750 ÷ 20
? ? ? 375 ? 38
- 8. 6888.009 - 487.999 - 87.989 =?
Options- A. 6000
- B. 6570
- C. 6430
- D. 6310 Discuss
Correct Answer: 6310
Explanation:
? = 6888.009 - 487.999 - 87.989
? ? ? 6888 - 488 - 88
? ? ? 6888 - 576 ? ? ? 6312 ? 6310
- 9. (9.2) 2 =?
Options- A. 75
- B. 90
- C. 125
- D. 110 Discuss
Correct Answer: 90
Explanation:
? = (9.5)2 = 90.25 ? 90
- 10. 19.003 x 22.998 - 280.010
Options- A. 220
- B. 110
- C. 160
- D. 90 Discuss
Correct Answer: 160
Explanation:
? = 19.003 x 22.998 - 280.010
? 19 x 23 - 280 ? 437 -280
? 157 ? 160
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