Which number would replace the question mark (?) in the series 2, 7, 14, 23, ?, 47
Answer: B
The given sequence is +5, +7, +9, —— ie. 2+ 5 = 7, 7 + 7 = 14, 14 + 9 = 23 Missing Number = 23 + 11 = 34.
Enter details here
99, 80, 63,….35
Answer: B
Solution. (a) The series is 102 -1, 92 -1, 82 -1, etc.
The next number is 72 – 1 = 48
Enter details here
15, 31, 63, 127, 255, ——
Answer: B
No answer description available for this question.
Enter details here
1000, 8000, 27000, 64000,….
Answer: B
Solution. (b) The series is 103 , 203, 303, 403, etc.
The next number is 503 = 125000
Enter details here