What should come in place of the question mark (?) in the given series?

87, 91, 94, 98, 101, ?​

Given: 87, 91, 94, 98, 101, ?​​

Logic: Difference between number is + 4 and + 3 alternately.

87 + 4 = 91

91 + 3 = 94

94 + 4 = 98

98 + 3 = 101

101 + 4 = 105

So, the missing term is 105.

Thus, correct option is (a).