The ratio of Sita rsquo s Riya rsquo s and Kunal rsquo s monthly income is 84 76 89 If Riya rsquo s...........

Quant (SSC) Ratio, Proportion

The ratio of Sita’s, Riya’s and Kunal’s monthly income is 84 : 76 : 89. If Riya’s annual income is Rs. 4,56,000, what is the sum of Sita’s and Kunal’s annual incomes? (In some cases monthly income is used while in other annual income is used.)

Rs. 11,95,000

Rs. 9,83,500

Rs. 1,13,000

Rs. 10,38,000

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Explanation:

Ratio of monthly income and ratio of annual income will be the same,
ie. 84 : 76 : 89
Applying the rule of proportion, we get
Riya's income in ratio : Riya's total income : : Sum of Sita's and Kunal's income in ratio : Sum of Sita's and Kunal's income in value
76 : 456000 : : (84 + 89) : x
∴ Sum of Sita's and Kunal's annual income in value
= 456000 /76 x (84 + 89) = Rs. 1038000