Approximation
Direction: What approximate value should come in place of the question mark(?) in the following question ? (Note that you are not expected to calculate the exact value).
- 26.003 - 154 .001 ÷ 6.995 = ?
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? = 26.003 - 154.001 ÷ 6.995
= 26 - 154 ÷ 7Correct Option: A
? = 26.003 - 154.001 ÷ 6.995
= 26 - 154 ÷ 7 = 26 - 22 = 4
- 425 ÷ 16.95 x ? = 225
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425 ÷ 16.95 x ? = 225
⇒ ? ≈ (225 x 17) / 425Correct Option: C
425 ÷ 16.95 x ? = 225
⇒ ? ≈ (225 x 17) / 425 = 9
- 1679 ÷ 14.95 x 15.02 = ?
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? = 1679 ÷ 14.95 x 5.02
≈ 1680 ÷ 15 x 5Correct Option: D
? = 1679 ÷ 14.95 x 5.02
≈ 1680 ÷ 15 x 5 = 560 ≈ 565
- 421 x 0.9 +130 x 101 + 10000 = ?
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? = 421 x 0.9 +130 x 101 x 10000
= 378.9 + 13130 +10000Correct Option: B
? = 421 x 0.9 +130 x 101 x 10000
= 378.9 + 13130 +10000
= 23508.9 ≈ 23500
- 98743 ÷ 198 = 800 - ?
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98743 ÷ 198 = 800 - ?
∴ ? = 800 - 98743/198Correct Option: C
98743 ÷ 198 = 800 - ?
∴ ? = 800 - 98743/198 = 301.298 ≈ 300
