How many 3 digit odd number can be formed from the digits 1,3,7,0 and 4?

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27 Sep 2010 3 digit Odd Numbers

How many 3 digit odd number can be formed from the digits 1,3,7,0 and 4?

OPtion

1) 23
2) 25
3) 60
4) 35
5) 85
6) 70
7) 85
8) 55
9) 100
10) 62

Solution

First digit can be any of 1,7,3,4 => 4
second digit can be any of 1, 3,7,0,4 =>5
for a odd number last digit can be any of 1,3,7 =>3
total number of digits are => 4*5*3
60

Correct Option: 3 Best Solution (11)

Dr.Dipin Singh   13 years AGO

First digit can be 1,3,7,4 and second digit can be any one from 1,3,7,0,4 and last digit can be anyone from 1,3,7.

So no of possible 3 digit odd numbers will be 4*5*3=60

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Dimple   13 years AGO

4*5*3=60

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ARKA GANGULY   13 years AGO

The first digit can be any of 1, 3, 7, or 4, the second digit can be any of 1, 3, 7, 0, or 4 and the third digit can be any of 1, 3, or 7.
So, the required number is= 4*5*3= 60..... Option 3)

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BIKRAM SINGH   13 years AGO

The first digit can be any of 1, 3, 7, or 4, the second digit can be any of 1, 3, 7, 0, or 4 and the third digit can be any of 1, 3, or 7.
So, the required number is= 4*5*3= 60..... Option 3)

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Mahesh   13 years AGO

First digit can be 1,3,7 or 4.
Second digit can be 1,3,7,0,4.
Third digit can be 1,3,7.

So possible numbers are 4x5x3=60

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JEEVAN DAS   13 years AGO

The first digit can be any of 1, 3, 7, or 4, the second digit can be any of 1, 3, 7, 0, or 4 and the third digit can be any of 1, 3, or 7.
So, the required number is= 4*5*3= 60..... Option 3)

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CT.Subbu Lakshmi   13 years AGO

27 Ways without repaeting and 60 ways with repeating

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C.T.Narayanan   13 years AGO

27 Ways without repaeting and 60 ways with repeating

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Karthik Pandiyan   13 years AGO

Let the Number be of form XYZ

X's place takes only 4 digits ( 0 is not allowed)
Y's place takes 5 digits( 0,1,3,7,4)
Z's place takes only 3 digits(1,3,7 since they are Odd numbers)

Hence 4*5*3 =60 =60

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Gunaseelan   13 years AGO

There are 3 ways to fill the one's place;
There are 5 ways to fill the ten's place;
There are 4 ways to fill the hundred's place;
Therefore total possibility=5*4*3=60

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V.V.Ravi Teja    13 years AGO

first position in 3ways tens positin in 5 ways n hundreds position in 4 ways so finally..3*4*5=60;

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