Default
Question
The sum of 1 + 2 + 3 + 4 + 96 + 97 + 98 + 99 is
Solution
The correct answer is 400
Explanation
We have :
1 + 2 + 3 + 4 + 96 + 97 + 98 + 99
= (1 + 99) + (2 + 98) + (3 + 97) + (4 + 96)
= 100 + 100 + 100 + 100
= 400
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