MCQ
The value of 10C4 + 10C5 is:
- A462
- B466
- C469
- D465
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
If in the expansion of $(1+\text{x})^{20},$ the coefficients of rth and (r + 4) terms are equal, then r is equal to: