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  • The number of five digit numbers, greater then 40000 and divisible by 5, which can be formed using the digits 0, 1, 3, 5, 7 and 9 without repetition, is equal to<

The number of five digit numbers, greater then 40000 and divisible by 5, which can be formed using the digits
0, 1, 3, 5, 7 and 9 without repetition, is equal to

Option: 1

132


Option: 2

120


Option: 3

72


Option: 4

96


Answers (1)

best_answer

\begin{aligned} &\begin{array}{lllll} 5 & x & x & x & 0 \\ 7 & \mathrm{x} & \mathrm{x} & \mathrm{x} & 0 \\ 5 & \mathrm{x} & \mathrm{x} & \mathrm{x} & 5 \\ 9 & \mathrm{x} & \mathrm{x} & \mathrm{x} & 0 \\ 9 & \mathrm{x} & \mathrm{x} & \mathrm{x} & 5 \end{array}\\ &\text { So Required numbers }=5 \times{ }^4 \mathrm{P}_3=120 \end{aligned}

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manish painkra

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