Download NCERT Solutions for Class 8 Maths Chapter 16 Exercise 16.1 – Playing with Numbers
Find the values of the letters in each of the following and give reasons for the steps involved.
Sol.: – To find value of A, we need to put different values from 1 to 9 in place of A. Such that their addition with 5 will give 2 at unit place. On checking we found that 5 +7 = 12, having 2 at unit place. So, A = 7.
Now, to find value of B, we will add 35 and 25 which gives us 62.
So, B = 6.
Hence, A = 7 and B = 6