# Tag Archives: Aptitude-Progressions

Given a binary tree, the task is to check whether the nodes in this tree form an arithmetic progression, geometric progression or harmonic progression.Examples:   Input:… Read More
Given Mth and Nth terms of arithmetic progression. The task is to find the sum of its first p terms.Examples:   Input: m = 6, n… Read More
Find the sum of series: 1/3, 1/9, 1/27, 1/81…………….. (A) 1/2 (B) 1/3 (C) 1/4 (D) 1/6 Answer: (A) Explanation: The given series is an… Read More
Find the sum of series: 1, 3, 9, 27, 81, …………..39 (A) (B) 18 (C) 10 (D) 20 Answer: (A) Explanation: Sol: Sn=[a(1-rn)]/(1-r) =[1(1-310)]/(1-3) =[(1-310)]/(1-3)… Read More
Find Arithmetic Mean of series: 2, 2.5, 3, 3. 5, 4, 4. 5……….11 (A) 13/2 (B) 25/8 (C) 19 (D) 22/9 Answer: (A) Explanation: Arithmetic… Read More
Find sum of series: 2, 2.5, 3, 3. 5, 4, 4. 5……….11 (A) 120 (B) 123.5 (C) 126.5 (D) 118.5 Answer: (B) Explanation: sum of… Read More
Find the Sum of series: 10, 7, 4, 1, -2 (A) 40 (B) 21 (C) 20 (D) 18 Answer: (C) Explanation: Sum of series =… Read More
Find the Sum of series: 2, 6, 10, 14, 18, 22, 26, 30 (A) 32 (B) 88 (C) 128 (D) 110 Answer: (C) Explanation: Sum… Read More