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    The average salary of A, B and C is INR 7200/- , The average salary of B,C and D is INR 7550/-, If D’s salary is 25% more than A’s salary, what is the average of B and C’s salary

  • INR 8950/-
  • INR 8450/-,
  • INR 8300/-,
  • INR 8900/-,
  • INR 8700/-
  • Explanation:

    According to question,

    A+B+C= 7200×3=21600            ...(i)

    B+C+D= 7500×3=22650            ...(ii)

    D=A×125/100

    4D=5A

    From equation (i) and (ii).

    D-A=1050

    From equation(iii).

    5A/4-A=1050

    A=INR 4200/-

    Putting the value of A in equation (i).

    4200+B+C=21600

    B+C=17400

    ∴ Average of B and C's salary

    =17400/2=INR 8700/-


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