Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
–7, – 6, – 4, – 1, 3, 8, 14, ?
Option 1: 26
Option 2: 21
Option 3: 24
Option 4: 18
Correct Answer: 21
Solution :
Given:
– 7, – 6, – 4, – 1, 3, 8, 14, ?
In the above-given series, add consecutive natural numbers to the previous number to get the next number.
– 7 + 1 = – 6, – 6 + 2 = – 4, – 4 + 3 = – 1, – 1 + 4 = 3, 3 + 5 = 8, 8 + 6 = 14, 14 + 7 = 21
So, 21 is the missing number. Hence, the second option is correct.
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