A four digit number is to be formed using the digits 1 to 7
All digits of the number are different and repetition is not
allowed.
1. How many such numbers can be formed ?
2. How many such numbers are divisible by 4 ?
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Answer Posted / satyam4friends
the total numbers are formed are 7.6.5.4=840
the numbers that are divided by 4 are= 7.6.5.3=630
| Is This Answer Correct ? | 45 Yes | 38 No |
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