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If 31z5 is a multiple of 3, where z is a digit, what might be the values of z?
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Practice questions from similar books
Question 1
Find the possible missing twins for the following numbers so that they become twin primes:
29 (ii) 89 (iii) 101Question 2
Using divisibility tests, determine which of the following numbers are divisible by 4; by 8:(a) 572 (b) 726352 (c) 5500 (d) 6000 (e) 12159(f) 14560 (g) 21084 (h) 31795072 (i) 1700 (j) 2150
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| Question Text | If 31z5 is a multiple of 3, where z is a digit, what might be the values of z? |
