Find the difference between income of Dev and Erin ?
(a) Difference between expense of Dev in September and saving of Erin in June is Rs. 32,00.
(b) Difference between saving of Dev, in June and Expense of Erin in september is Rs. 8000.

Options

A. Statement (I) along is sufficient to answer the question but statement (II) along is sufficient to answer the question.
B. Statement (II) along is sufficient to answer the question but statement (I) along is sufficient to answer the question.
C. Both the statements taken together are necessary to answer the questions, but together of the statement alone is sufficient to answer the questions
D. Either statement (I) or stement (II) by itslef is sufficient to answer the question.

Answer

B

Explanation

Let income of 'Dev' and 'Erin' is x and y respectively
We have to find the value of 'x-y'
From (I)
0.72x-0.5y=3200
From (II)
0.4x-0.4y=8000
`implies x-y=(8000)/(0.4)=20000`
Hence , only (II) is sufficient to answer the question.