Q. 104.2( 40 Votes )
In 8 days, the ea
More the no. of days, more will be the dust picked by the earth. So it is a direct proportion.
Let the amount of dust be x kg,
⇒ 8 × x = 15 × 6.4 × 107
⇒ x = = 12 × 107 kg = 1.2 × 108 kg
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