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).
 125.009 + 69.999 + 104.989 = ?

 420
 300
 285
 415

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125.009 + 69.999 + 104.989 = ?
Lets assume, each value is approximated to nearest whole number
⇒ ? ≈ 125 + 70 + 105Correct Option: B
125.009 + 69.999 + 104.989 = ?
Lets assume, each value is approximated to nearest whole number
⇒ ? ≈ 125 + 70 + 105
⇒ ? ≈ 300
 16.003 x 27.998  209.010 = ?

 150
 200
 75
 240

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? = 16.003 x 27.998  209.010
? ≈ 16 x 28  210 = 448  210Correct Option: D
? = 16.003 x 27.998  209.010
? ≈ 16 x 28  210 = 448  210
? = 238 ≈ 240
 840.003 ÷ 23.999 = ?

 47
 8
 35
 18

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? = 840.003 ÷ 23.999
Here one number is increased and other is decreased to their nearest whole number.Correct Option: C
? = 840.003 ÷ 23.999
Here one number is increased and other is decreased to their nearest whole number
= 840 ÷ 24 = 35
 6885.009  419.999  94.989 = ?

 6650
 6830
 6370
 6200

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? = 6885.009  419.999  94.989
= 6885  420  95Correct Option: C
? = 6885.009  419.999  94.989
= 6885  420  95 ≈ 6370
 503 x 201= ?

 101100
 1000000
 110000
 100003

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530 x 201 = 101103
Correct Option: A
530 x 201 = 101103 ≈ 101100