Question

What is the average monthly income of a man if he saves Rs. 85000 during a year?
A. The average monthly expenditure for the first 4 months is Rs. 18000.
B. The average monthly expenditure for the next 8 months is Rs. 21000.

• A. The data in statement A alone is sufficient to answer the question.
• B. The data in statement B alone is sufficient to answer the question
• C. The data either in statement A alone or in statement B alone is sufficient to answer the question
• D. The data given in both statements A and B together are not sufficient to answer the question.
• E. The data in both statements A and B together are necessary to answer the question.

Answer 1

The correct option is E The data in both statements A and B together are necessary to answer the question.

Savings of the man = Rs. 85000 .... (i)
From statement A we get
Monthly expenditure of the man for the first 4 months
From statement B we get
$=Rs(18000\times 4)=Rs.72000$ ..... (ii)
= Monthly expenditure of the man for the next 8 months
$=Rs(21000\times 8)=Rs.168000$ ..... (iii)
From (i), (ii) and (iii), we can find the income and his average monthly income.