Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Ratios

Question:

The incomes of Kesari and Dileep are in the ratio of 7:5 and their expenditure are in the ratio of 5:3. If the income of Kesari is thrice the expenditure of Dileep, then what is the ratio of savings of Kesari and Dileep?

Options:

i) 5:6

ii) 7:6

iii) 6:7

iv) 7:9

Correct Answer:

ii) 7:6

Explanation:

                      Kesari       :       Dileep

income               7x         :           5x

exp.                   5y         :           3 y

                       3y × 3    = 7x

                             9y    = 7x ⇒ \(\frac{x}{y}\) = \(\frac{9}{7}\)

income          7 × 9        :      5 × 9

exp.             5  × 7        :      3 × 7

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savings            28         :         24

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savings              7         :           6