Telangana SCERT Solution Class VIII (8) Math Chapter 15 Playing with Numbers Exercise 15.5
Contents
(1) Find the missing digits in the following additions.
(a) 111 + A + 77 = 197
(b) 222 + 8 + BB = 285
(c) AAA + 7 + AA = 373
(d) 2222 + 99 + 9 + AAA = 299A
(e) BB + 6 + AAA = 461
(2) Find the value of A in the following:
(a) 7A – 16 = A9
(b) 107 – A9 = 1A
(c) A36 – 1A4 = 742
(3) Find the numerical value of the letters given below –
(a) DE × 3 = FDE
(b) GH × 6 = CGH
(4) Replace the letters with appropriate digits:
(a) 73K ÷ 8 = 9L
(b) 1MN ÷ 3 = MN
(5) If ABB × 999 = ABC123 (Where A, B, C are digits) find the values of A, B, C.