Q. AB
  *BA
(B+1) C B
 

Asked by abbu786 | 17th Jul, 2017, 09:33: PM

Expert Answer:

begin mathsize 16px style space space space space space AB bottom enclose cross times space BA end enclose left parenthesis straight B plus 1 right parenthesis CB Here comma space 2 minus digit space number space is space multiplied space by space 2 minus digit space number space and space answer space is space 3 minus digit space number. Now comma space 17 cross times 71 equals 1207 space minus space 4 minus digit space number So space number space AB space has space to space be space less space than space 17. If space we space take space AB equals 13 comma space then space we space have space BA equals 31 So comma space AB cross times BA equals 13 cross times 31 equals 403 Thus comma space we space have space space space space space space space 13 bottom enclose cross times space space space 31 end enclose space space left parenthesis 3 plus 1 right parenthesis 03 space space space left parenthesis 403 right parenthesis space end style

Answered by Rashmi Khot | 18th Jul, 2017, 09:03: AM

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