Question

A B × 3 -------- C A B

Answer 1

Answer:

Step-by-step explanation:

ab×3=cab

since the ones digit of 3×b is b must be 0 or 5

ax3 =is also a

since the product contains c and a

ca is not equal to 0

hence,50×3=150

c=1

a=5

b=0

Answer 2

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A B

× 3

______

C A B

______

Here,

B × 3 ends with B

We put different values of B,

and check which ends with B.

∴ B can be 0 or 5.