Question

34,56,67,? number series
​

Answer 1

Answer:

77

Step-by-step explanation:

34 + 12 = 56

56 + 11 = 67

67 + 10 = 77

77 + 9 = 86

Answer 2

67 - 34 - 33

56 - 34 = 22

67 - 56 = 11

so

34 + 11 = 45

45 + 11 = 56

56 + 11 = 67

67 + 11 = 78