Question

find the values of letters in each of the following and give reasons forthe step involved 31Q+1QR

Answer 1

Answer:

The addition of A and 5 is giving 2 i.e., a number whose ones digit is 2. This is possible only

when digit A is 7. In that case, the addition of A (7) and 5 will give 12 and thus, 1 will be the

carry for the next step. In the next step,

1 + 3 + 2 = 6

Therefore, the addition is as follows.

Clearly, B is 6.

Hence, A and B are 7 and 6 respectively.

Step-by-step explanation:

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