Santa distributes 2 gifts to every child in the street at the Christmas evening. He mistakenly gives 4 gifts to some children. If he distributed 50 gifts to 21 children. How many children got 4 gifts?
Correct answer: D
Explanation
Santa had 50 gifts and there were 21 children, and each of them had to receive at least 2 gifts , so santa should have given 42 gifts in total, but instead he gave 4 gifts to some of them.
It means, he gave 8 more gifts in pairs of 2 i.e. he had 4 pairs of gifts. That means, 4 children got 4 gifts.
Verification:
17 children got only 2 gifts i.e. 17 * 2 = 34 gifts.
4 children got 4 gifts each, so : 4 * 4 = 16 gifts
Total is 50.
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