In a certain series, each number except the first and second is obtained by addi

Check All Courses

Question

In a certain series, each number except the first and second is obtained by adding the previous two numbers. If the first no is 2 and sixth no is 26, then the seventh number is:

Options:

A . 52

B . 46

C . 40

D . 42

Answer: Option D
1st no. = 2
2nd no. = x (let)
3rd no. = x + 2
4th no. = x + x + 2 = 2x + 2
5th no. = x + 2 + 2x + 2 = 3x + 4
6th no.,
3x + 4 + 2x + 2 = 26
5x = 20
x = 4
7th no. = 26 + 3x + 4 = 26 + 3 × 4 + 4 = 42

Was this answer helpful ?

Next Question

Submit Comment/FeedBack

More Questions on This Topic :

Question 1. 11 * X = **Hidden Equation** ....

Question 2. Sunil entered a shopping center and spent one half of the money that he had. When he finished his purchase he found that....went. How much money did he have when he entered?

Question 3. If (-1)n + (-1)4n = 0, then n is....

Question 4. What is the least number of square tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?....

Question 5. By which number should 0.022 be multiplied so that product become 66 ?....

Question 6. **Hidden Equation** is equal to :....

Question 7. The value of : **Hidden Equation** ....

Question 8. Which one of the following is a factor of the sum of first twenty-five natural numbers ?....

Question 9. Five times of a positive integer is 3 less than twice the square of that number. The number is -....

Question 10. On multiplying a number by 7 all the digit in the product appear as 3's , the smallest such numbers is -....

Latest Videos

Chapter 1 - GLOBAL STEEL SCENARIO & INDI Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Latest Test Papers

Chapter 3.1 : Overview of Finance & Acco Chapter 3 : Finance & Accounts SAIL E0 - GFM 2024

Chapter 2.1 : Overview Chapter 2 : Materials Management SAIL E0 - GFM 2024

Chapter 1.1 : Personnel Functions- An ov Chapter 1 : Personnel Management SAIL E0 - GFM 2024

GPOE / GPA Combined 1 Free CBT Mock Test SAIL E0 2024

CBT Mixed Test 1 GPOE/GPA SAIL E0 2024