Forex market always has a standard perception of

What will come in the place of questions (?) mark in the following questions.

160, 223, 271, 306, 330, ?

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

40, 25, 30, 50, 105, ?

8       12       39       ?         180        216

7, 176, ?, 378, 427, 452

120, 120, ?,  360, 900, 2700

142, 148, 160, 178, ?, 232

Which of the following numbers will replace the question mark (?) in the given series?

17, 30, 44, 59, 75, ?

156, 172, 196, ?, 268, 316

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

16, 16, ?, 96, 384, 1920

Find the missing number in the given number series.

2, 5, 11, 23, 47, ?