Question

please send me the answer fast​

Answer 1

Answer:

No. of terms = 20

a (first term ) = 6

d ( difference between terms ) = 4

⇒ 20th term = 6 + (19)* 4

=82

similarly, 40th term = 6 + 39 * 4

= 162

sum of 20 terms = 10 (244)

= 2440

2440 is the required answer.

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