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Check whether nodes of Binary Tree form Arithmetic, Geometric or Harmonic Progression

Last Updated: 21 June 2022

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

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arithmetic progression

Geometric Progression

harmonic progression

Sum of P terms of an AP if Mth and Nth terms are given

Last Updated: 27 May 2022

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 = 10, mth = 12, nth = 20, p = 5Output:30Input: ...read more

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Aptitude-Progressions

Aptitude | Progressions | Question 8

Last Updated: 16 September 2021

Calculate the sum of given series: 1/3, 1/9, 1/27, 1/81.................(A)1/4(B)1/3(C)1/2(D)1 Answer: (C)Explanation:The given series is an infinite GP, whose sum is giv ...read more

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Aptitude | Progressions | Question 7

Last Updated: 16 September 2021

Find the sum of series: 1, 3, 9, 27, 81, ..............39(A)[(1-3^(10))]/(1-3)(B)18(C)10(D)20 Answer: (A)Explanation:Sol: Sn=[a(1-rn)]/(1-r) =[1(1-310)]/(1-3) =[(1-310)]/ ...read more

QA – Placement Quizzes

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Aptitude | Progressions | Question 6

Last Updated: 16 September 2021

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 mean AM of the series is given by = ...read more

QA – Placement Quizzes

Aptitude-Progressions

Aptitude | Progressions | Question 5

Last Updated: 28 June 2021

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) ...read more

Aptitude-Progressions

Aptitude | Progressions | Question 4

Last Updated: 28 June 2021

Find the Sum of series: 10, 7, 4, 1, -2 (A) 40(B) 21(C) 20(D) 18 Answer: (C) Explanation: Sum of series = (n/2)[2a+(n-1)d]= 20Quiz of this QuestionPlease comment ...read more

Aptitude-Progressions

Aptitude | Progressions | Question 2

Last Updated: 28 June 2021

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 of AP = (n/2)[2a+(n-1)d]= 4*[4+7*4]=128Quiz of this QuestionPle ...read more

Aptitude-Progressions