Which term is wrong in the following series? 8, 13, 21, 32, 47, 63, 83

Find the wrong number in the following series : 135, 226, 353, 552, 739

Which number is unsuitable in the following series? 5, 3, 6, 10, 9, 12, 17, 15, 18, 23

Find the wrong number in the series given below : 3, 8, 13, 21, 31, 43

Find the next term in the following number series : 2, 7, 24, 77, 238, ……..

Which number should replace ‘?’ in the following series? 240, 120,? , 180, 360, 900