Numerical ability bits

• 32% of 124 - 22.68 = ?

  17.00

• 12.6 x 10.4 x 17.2 = ?

  2253.888

• 42 x 193 / 13 = ?

  623.53

• 10, 5, 13, 10, 16, 20, 19, ? (number series)

  38

• 71, 76, 69, 74, 67, 72, ?

  65

• 9, 12, 11, 14, 13, ?, 15 (number series)

  16

• 2, 5, 9, 19, 37, ? (number series)

  75

• 3, 8, 15, 24, ?, 48, 63

  35

• 635 x 455 / 403 = ?

  715

• 105.003 + 307.993 + 215.630 = ?

  630