Question

please solve this sum please solve this sum on your notebook​

Answer 1

Answer:

40B2 here b is 0

Explanation:

they gave that the number is divisible by 3 but not 9.

so that should be only 3 or 6 .

given that 4+0+b+2. is 6.

so we can only add 0 to get crct possible answer

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Answer 2

Explanation:

Divisibility rule for 3:-

Sum of all digits =multiple of 3 = 3n

If 40B2 is divisible by 3 then

4+ 0 + B + 2 = multiple of 3

8 + B = 3n

If n= 0 then

B= -8 ( which not a digit)

If n= 1 then

B= -5 (which not a digit)

If n= 2 then

B= -2 (which not a digit)

If n = 3 then

B = 1 (first value of B)

If n= 4 then

B=4 ( second)

If n= 5 then

B= 7 ( third )

Next will not be a digits

The possible value of B are 1,4,7.