Question 11 MarkThe arithmetic sum of first $n$ odd natural number is $n(n+1)$.AnswerfalseView full question & answer→
Question 21 Mark$\sqrt{2}, \sqrt{8}, \sqrt{18}, \sqrt{32}, \ldots$ is an arithmetic progression.AnswertrueView full question & answer→
Question 31 MarkSum of $₹ 10,000$ is deposited in bank at the rate of $8 \%$ per annual compound interest. Then amount deposited in each year in the account represent arithmetic progression.AnswerfalseView full question & answer→
Question 51 MarkIf for an AP if common difference is negative then it is possible that sum of first $m$ terms and the sum of first $n$ terms will be same.AnswertrueView full question & answer→
Question 61 MarkThe arithmetic sum of first $n$ even number is $n^2$.AnswerfalseView full question & answer→
Question 71 MarkThe arithmetic sum of first $n$ natural numbers is $\frac{n(n+1)}{2}$.AnswertrueView full question & answer→
Question 81 MarkFor an arithmetic progression if $S _n=5 n^2-3 n$ then $a_n=10 n-8$.AnswertrueView full question & answer→
Question 91 MarkFor any arithmetic progression Common difference can't be zero.AnswerfalseView full question & answer→
Question 101 MarkFor any arithmetic progression first term cannot be zero.AnswerfalseView full question & answer→
Question 111 Mark" $1,1,1,2,2,2,3,3,3, \ldots$ is an AP" check the statement.AnswerfalseView full question & answer→