CBSE Class 10 Math 2022 Delhi Set 1 Paper (Term II)

Question : 6 of 14

Marks: +1, -0

Find the sum of first 20 terms of an A.P. whose

{\n}^{\;\text "th "\;}

term is given as

{\a}_{ {\n}}=5-2 {\n}

Solution:

Go to Question:

Prev Question

Next Question