Question

The question below has two statements, I and Impark your answer as
Find ²⁵C₁₀-
1. ²⁴C₁₄ = a
II. ²⁴C₉ = b

• A. Question can be answered by using any one statement alone, but not by using other statement alone.
• B. Question can be answered by using either of the statements alone.
• C. Question can be answered by using both the statements together, but it cannot be answered by using either of the statements alone.
• D. Question cannot be answered even by using both the statements together.

Answer 1

The Correct Option is B

The Formula = \(\binom{n}{r} = \frac{r!(n - r)!}{n!}\)
By using Pascal's Identity
= \(\binom{n}{r} = \binom{n-1}{r} + \binom{n-1}{r-1}\)
The correct option is (B)