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Sahay Sir > Question Answers > NCERT Class 8 > Maths > Chapter 16 - Playing with Numbers > 2. If 31z5 is a multiple of 9, where z is a digit, what is the value of z? You will find that there are two answers for the last problem. Why is this so?

2. If 31z5 is a multiple of 9, where z is a digit, what is the value of z? You will find that there are two answers for the last problem. Why is this so?

2. If 31z5 is a multiple of 9 what is the value of z? You will find that there are two answers for the last problem. Why is this so? where z is a digit