Published by:
CGP EDU Academic Team
Published on: August 13, 2026
In the sequence, 1, (2, 3), (4, 5, 6), (7, 8, 9, 10) …….. of sets, the sum of elements in the 50th set is-
Text Solution
Verified by ExpertsThe correct answer is:
A
Let the first term of n th row T n = an 2 + bn + c
Put n = 1, 2, 3, & get a, b, c then T n = 
n 2 – 
n + 1
Then sum of all term of n th set is
= 
= 
(n 2 + 1)
Put n = 50 and get sum of element of 50 th set
= 
(50 2 + 1) = 62525
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