Book: NCERT - Mathematics
Chapter: 16. Playing with Numbers
Subject: Maths - Class 8th
Q. No. 1 of Exercises 16.1
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Find the values of the letters in each of the following and give reasons for the steps involved
The addition of A and 5 is giving 2 which means that a number whose ones digit is 2.
But, this is only possible when digit A is 7
Well in that case, the addition of A =7 and 5 will give 12
And, 1 will be the carry for the next step.
Now,
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
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