Aarthy R
Aarthy R
8 years ago

The average income of A,B and C is 12000 per month and the average income of B,C and D is 15000 per month. If the average salary of D is twice that of A , then the average salary of B and C is

A. 8000

B. 18000

C. 13500

D. 9000


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  1. Kumar Chandan
    Kumar Chandan :
    8 years ago

    A+B+C = 12000*3
    B+C+D = 15000*3
    => D-A = 3000*3 = 9000
    Also, D = 2A
    Then, D = 18000 and A = 9000
    Therefore,
    Average salary of B and C,
    = (45000-18000)/2 = 13,500.

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