Discussion

1) Below numbers follow a particular pattern. can you find the missing number in the below pattern?

138, 159, X , 201, 222

A) 179

B) 178

C) 182

D) 180

Suggestion

Explanation:

The given series is : 138, 159, X , 201, 222
Consecutive numbers increases by 21 Following this pattern,
The Missing Number X should increase by 21 from the previous number.
When we add 21 to the number before X
(i.e 159) we get 159 + 21 = 180