Question

26. Replace star ( * ) by the smallest integer so that the number becomes divisible by 3.
a. 7*5
b. 3*2
c. 17*​

Answer 1

a- 705

b- 312

c- 171

u can easily get answer by

1. adding the given digits
2. subtracting it from nearest no. i.e. divisible by 3
3. replacing the acquired no by (*)

Answer 2

Answer:

here 17* will be divisible by 9

(1+7+*)=(8+*) divisible by 9

for this true *can be have smallest value 2,5,8

172, 175, 178