23
Question
The
number of four digit number formed by using the digits 0, 2, 4, 5 and which are not divisible by 5, is
The
number of four digit number formed by using the digits 0, 2, 4, 5 and which are not divisible by 5, is
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Solution
The correct option is B 8
No. of four digit numbers divisible by 5 =6+4=10
0⇒3!=6
0⇒3!−2!=4
Total No. of four digit numbers =4!−3!=18
∴Required=18−10=8
No. of four digit numbers divisible by 5 =6+4=10
0⇒3!=6
0⇒3!−2!=4
Total No. of four digit numbers =4!−3!=18
∴Required=18−10=8
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