Question

The number of ways in which $6$ rings can be worn on the four fingers of one hand is

• A. $4^6$
• B. ${}^6{C}_4$
• C. $6^4$
• D. None of these

Answer 1

The correct option is A $4^6$

Each ring can be worn on $4$ fingers, means each have $4$ possibilities.

$\therefore$ Total ways$=4\times 4\times 4\times 4\times 4\times 4=4^6$

Hence, $\left(A\right)$