Number Series MCQs Questions

Find the next number: 2, 6, 12, 20, 30, ?

Find the next number: 3, 8, 15, 24, 35, ?

Find the missing number: 1, 4, 9, 16, 25, ?

Find the next number: 2, 3, 5, 7, 11, 13, ?

Find the next number: 121, 144, 169, 196, ?