By which number should 0.022 be multiplied so that product become 66 ?
Options:
A .  3000
B .  3200
C .  4000
D .  3600
Answer: Option A $$\eqalign{ & {\text{Let the number multiplied by }}x \cr & x \times 0.022 = 66 \cr & x = \frac{{66}}{{22}} \times 1000 = \,3000 \cr} $$
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