What is the Java development

38% of 18/225 of 31/19 of 15225 =?

Find the missing number in the given number series.

130, 152.5, 177, 203.5, 232, ? 

156, 172, 196, ?, 268, 316

5, 6, 14, 45, ?, 925

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

80, 200, 400, 600, ?, 300

500, 250, 750, 375, 1125, 562.5, ?

289      169        121         ?        25         9

32, 52, 82, 124, 180, ?

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

29, 30, 33, ?, 69, 150

What will come in place of (?) Question mark in the given number series.

1, 2, 5, 14, 41, 122, ?