Question

25 + 26 + 27 + 28 + ... +91 +92 +93 = ?
(A) 4012
(B) 4071
(C) 3071
(D) 5002​

Answer 1

Answer:

Step-by-step explanation:

Since the given no is in ap

Sum of given number =n/2(2a+(n-1)d)

a=25

d=1

N=69

Hence use above and get the required sum of given series.

S=4071 answer.

Hence option b is correct.