The sum of all possible numbers that can be formed by using the digits $2,3,5,7$ without repetition of…
The sum of all possible numbers that can be formed by using the digits $2,3,5,7$ without repetition of digits is
- $17 \times \frac{10^4-1}{9}$
- $33 \times 34 \times 101$
- $6 \times \frac{10^3-1}{9}$
- $33 \times 35 \times 1001$
Solution
Sum
$
\begin{aligned}
& =3 ! \times(2+3+5+7) \times(1000+100+10+1) \\
& =6 \times 17 \times 1111 \\
& =33 \times 34 \times 101
\end{aligned}
$
Asked in: AP EAMCET 2022 (07 Jul Shift 2)
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