Question

What is the next number in the pattern given below?

1, 2, 4, 7, ...

• A. 8
• B. 9
• C. 10
• D. 11

Answer 1

The correct option is D 11

$1+\underset{–}{1}=22+\underset{–}{2}=44+\underset{–}{3}=7$

The numbers added to the numbers in the given pattern themselves form a pattern as shown below:


The next number in the pattern is obtained by adding 4 to the previous number, 7.

Thus, the next number in the pattern is 11.