Question

Find the missing number in the following series 78, 79, 81, ?, 92, 103, 119. Please give the explanation too. Thanks

Answer 1

Answer:

85 is the correct answer

Answer 2

Answer:

85

Step-by-step explanation:

there is a gap of 1 between 78 and 79

after that there is a gap of 2 between 79 and 81

so after that there should be the gap (difference) of 4

for completing the series