The best place to start your CAT preparation is CAT previous year's question paper. Solve this question that appeared in CAT 2021 Slot 1 question paper in one go and take your CAT preparation a notch above.
Question:
The natural numbers are divided into groups as (1), (2, 3, 4), (5, 6, 7, 8, 9), ….. and so on. Then, the sum of the numbers in the 15th group is equal to
A. 6119
B. 7471
C. 4941
D. 6090
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