Question

The sum of the digit of seven digit odd natural no is 3. How many such no is possible ? ​

Answer 1

Answer: according to your question,

The natural number is 3

We need to find the number of the seven digits

So, some another digits like 0,1,2,3

Now the number is = 1000023

Step-by-step explanation:

That's all about your answer above

Answer 2

Answer:

840 possible waysi

Step-by-step explanation:

This is based on permutations and combination

7!/3!= 7x6x5x4x3x2x1/3x2x1

= 7x6x5x4 = 840