Question

2. For what possible value of b the following numbers are divisible by 3 ?
(i) 7b23
(ii) 83b49​

Answer 1

Step-by-step explanation:

(1). 7+b+2+3 =12

b = 0,3,6,9

(2) 8+3+b+4+9 =24

b = 0,3,6,9

Answer 2

Answer:

for-. 7b23 possible value is '0'

for-. 83b49 possible value is'0'

Step-by-step explanation:

if a number must be divisible by 3 means all the sum of digits in the number should be divided by 3.

eg-: 234=2+3+4=9 ✓

here 9 is divisible by 3.so 234 is divisible by 3