A recent survey of married couples in Indian metro cities showed that 20% of the couples have only one child, 45% of the remaining couples have two children, and the rest of the couples have three or more children. What is the percentage of couples with three or more children?
Let the total couple be 100.
Couple with one child = 20
Remaining couples = 100 - 20 = 80
Couple with two child = 45% of the remaining = 80 $$\times{45}{100}$$ = 36
Couples with three or more children = 80 - 36 = 44%
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