CAT Quant Practice Problems

Question: A child was asked to add first few natural numbers (i.e. 1 + 2 + 3 + …) so long his patience permitted. As he stopped, he gave the sum as 575. When the teacher declared the result wrong, the child discovered he had missed one number in the sequence during addition. The number he missed was

less than 10
10
15
more than 15
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CAT Quant Practice Problems
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