Wipro NLTH Written Test Qs.(Quantitative Aptitude) :: Percentage - Discussion

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Explanation:
Already given income of c,=Rs.2000
let x be the income of 'B'and'c'
Now,income of B is=(10/100)*x=(20/100)*2000(since 10% of income B is equal to 20% of income c)
Therefore, solving,x=4000 i.e)B=Rs.4000
Likewise income of A is=(5/100)*x=(15/100)*4000(since 5% of income A is equal to 15% of income B)
Therefore,A=Rs.12000
Total of A,B and C is=2000+4000+12000=18000 Rs.