Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
57 views
in Aptitude by (113k points)
closed by

What should come in place of the question mark '?' in the following number series?

7, 7, 14, 42, ?, 840


1. 140
2. 168
3. 218
4. 560
5. 207

1 Answer

0 votes
by (114k points)
selected by
 
Best answer
Correct Answer - Option 2 : 168

Given:

7, 7, 14, 42, ?, 840

Calculation:

The series follows the following pattern,

7 × 1 = 7

7 × 2 = 14

14 × 3 = 42

42 × 4 = 168

168 × 5 = 840

∴ The value of ? is 168.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...