MCQ Class 9 Maths Ganita Manjar Chapter 8 Predicting What Comes Next: Exploring Sequences and Progressions Advertisement 1. Common difference in 3, 8, 13, 18 is: 3 4 5 6Question 1 of 202. The 10th term of AP 3,8,13... is: 48 50 53 58Question 2 of 203. Formula for sum of first n natural numbers is: n² n(n+1)/2 2n+1 n−1Question 3 of 204. Sum of first 10 natural numbers is: 45 50 55 60Question 4 of 205. The 20th triangular number is: 190 200 210 220Question 5 of 206. A geometric progression has: Common difference Common ratio Common sum Common squareQuestion 6 of 207. General form of GP is: a+d arⁿ⁻¹ a, ar, ar² n²Question 7 of 208. nth term of GP is: a+(n−1)d arⁿ⁻¹ n² n(n+1)/2Question 8 of 209. In GP 3, 6, 12, 24, ratio is: 2 3 4 6Question 9 of 2010. Which is a GP? 2,4,6,8 1,2,4,8 1,3,6,10 2,5,8,11Question 10 of 2011. The 5th term of GP 2,4,8... is: 16 32 64 128Question 11 of 2012. Virahānka-Fibonacci sequence starts with: 1,1 1,2 2,3 0,1Question 12 of 2013. Next term after 1,2,3,5,8 is: 10 11 12 13Question 13 of 2014. In Fibonacci sequence each term is: Previous term ×2 Sum of previous two Previous term +1 Previous term ×3Question 14 of 2015. Prime numbers sequence begins with: 1 2 3 5Question 15 of 2016. Sequence 1,1/2,1/3,1/4 is: Increasing Decreasing Constant APQuestion 16 of 2017. The 3rd triangular number is: 3 6 9 12Question 17 of 2018. The 8th odd number is: 13 15 17 19Question 18 of 2019. The 7th square number is: 42 49 56 64Question 19 of 2020. In AP, if d=0, sequence is: Increasing Decreasing Constant GPQuestion 20 of 20 Loading...
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