Find the wrong number: 644, 328, 164, 84, 44, 24, 14

Find the odd number out. 1, 2, 4, 8, 16, 32, 64, 96

Find wrong number: 20,40,200,400,2000,4000,8000

Find the missing number in the given series 4, -8, 16, -32, 64, ?

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

Find the wrong number in the series given below : 28, 84, 112, 196, 308, 504, 872