If 2(x+4) = 64, then find the value of

188        178       158      ?      88       38

What will come in place of the question mark (?) in the following series?

102, 111, 136, 185, 266, ?

1140, ?, 1130, 1160, 1120, 1170

864, 432, 144, ? , 7.2, 1.2

What value should come in the place of (?) in the following number series?

251, 272, 296, ?, 353, 386

7 29 61 ? 211 349

48      49       45      54       ?       63       27

10, 10, 15, 30, 75, ?

What will come in place of the question mark (?) in the following series?

100, 729, 64, 343, 36, ?

3.6 × 1.5 + 8.4 × 2.5 – 9.2 × 3.5 = ? – 9.2 × 4.4