Manipal MET2012MathematicsBinomial Theorem
The least positive remainder when 123 125 127 is divided by 124 is
Options
- A4
- B120
- C121
- D130
Correct answer
C. 121
Step-by-step solution
aligned Since, 123 =-1( 124) 125= ( 124) 127 =3( 124) 123 125 127 =(-1)(1)(3) (124) =-3 (124) =121 (125) aligned