Identify the missing number in the number sequence.
Rule: multiply by 2 and add 1 each time.
5, 11, 23, ____, 95.

The correct answer is: 47

Step by step solution:
Rule: multiply by 2 and add 1 each time.
1st term: 5
2nd term: 5 x 2 + 1 = 11 (given)
3rd term: 11 x 2 + 1 = 23 (given)
4th term: 23 x 2 + 1 = 47
5th term:  47 x 2 + 1 = 95 (given)
Hence, option(d) is the correct option.