Number Series Aptitude Questions & Formulas with answer


Ques 1 Gate 2023


A series of natural numbers 𝐹1, 𝐹2, 𝐹3, 𝐹4, 𝐹5, 𝐹6, 𝐹7, … obeys 𝐹𝑛+1 = 𝐹𝑛 + πΉπ‘›βˆ’1 for all integers 𝑛 β‰₯ 2 .
If 𝐹6 = 37, and 𝐹7 = 60, then what is 𝐹1 ?

A

4

B

5

C

8

D

9

(a) is the correct answer.

Ques 2 Gate 2018


What is the missing number in the following sequence? 2, 12, 60, 240, 720, 1440, ___,0

A

2880

B

1440

C

720

D

0

(Number Series) is the correct answer.