Question

How many numbers between $100$ and $1000$ can be formed with the digits $3,4,5,0,6,7?$ (repetition not allowed)

• A. $142$
• B. $120$
• C. $100$
• D. $80$

Answer 1

Answer: (C)

$100$

Number between$100to1000$

Digits between $3,4,5,6,7,0$

No repetition

Total numbers

$\Rightarrow 5\times 5\times 4\Rightarrow 100numbers$