Question

Number of 5-digit number, which are not divisible by 5 & which consists of different odd digits is –

• A. 24
• B. 32
• C. 96
• D. None

Answer 1

Answer: (C)

96

Answer 2

XXXXX $\overset{\quad 1,3,5,7,9\quad}{\rightarrow}$ Total (Div by 5)

= 5×4×3×2×1 – 4×3×2×1 = 120 – 24 = 96