What will come in place of question mark (?) in the given number series?
7 6 10 27 ? 515

Options

A. 112
B. 104
C. 114
D. 96

Answer

To solve the number series: 7, 6, 10, 27, ?, 515, we need to identify the pattern in the series.

### Step-by-Step Solution:

1. **Identify the first transition (from 7 to 6)**:
- We start with 7. To get to 6, we can multiply 7 by 1 and then subtract 1.
- Calculation: \( 7 \times 1 - 1 = 6 \)

2. **Identify the second transition (from 6 to 10)**:
- Next, we take 6. We can multiply 6 by 2 and then subtract 2.
- Calculation: \( 6 \times 2 - 2 = 10 \)

3. **Identify the third transition (from 10 to 27)**:
- Now, we take 10. We multiply 10 by 3 and then subtract 3.
- Calculation: \( 10 \times 3 - 3 = 27 \)

4. **Identify the fourth transition (from 27 to the unknown value)**:
- Next, we take 27. We multiply 27 by 4 and then subtract 4.
- Calculation: \( 27 \times 4 - 4 = 108 - 4 = 104 \)

5. **Identify the fifth transition (from the unknown value to 515)**:
- Now, we take the unknown value (104). We multiply it by 5 and then subtract 5.
- Calculation: \( 104 \times 5 - 5 = 520 - 5 = 515 \)

Thus, the value that comes in place of the question mark (?) is **104**.

### Final Answer:
104