Question

find the smallest digit that should be replaced at * place in the following numbers so that:
a)the number. 87*21 is divisible by 3.
b)the number. 835*86 is divisible by 9.
c)the number 248*6 is divisible by 6.
d) the number 1723*4 is divisible by 11.

full explanation please answer this.
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Answer 1

Answer:

a)0

b)6

c)1

d)0

Step-by-step explanation:

Answer 2

Answer:

a) 0

b)6

c)1

d)0........