The number of different 9 digit number that can be formed, from the digits of the number 445577888 by…
- $120$
- $60$
- $180$
- $36$
Solution
ways
and remaing five even digits $4,4,8,8,8$ can be arranged in 5 places in $\frac{\underline{5}}{2 \underline{3}}$
Hence total no of ways $=\frac{\lfloor 4}{\lfloor 2 L 2} \times \frac{\underline{5}}{2 \underline{2} \underline{3}}=6 \times 10=60$Asked in: MHT CET 2022 (06 Aug Shift 1)