Find the difference between the monthly income of C in April and November Statement I The difference...........

Quantitative Aptitude(IBPS PO) Line Chart

Direction () : Study the following graph carefully and answer the given questions.
The line graph shows the percentage of expenditure of five different persons in two different months.
Monthly income = Monthly Expenditure + Monthly savings

Find the difference between the monthly income of C in April and November

Statement I: The difference between the monthly savings of C in April and November is 12000.

Statement II: The difference between the monthly expenditure of C in April and November is 10000.

Statement I is sufficient to answer the question.

Statement II is sufficient to answer the question.

Either Statement I or statement II is sufficient to answer the question.

Neither Statement I nor statement II is sufficient to answer the question.

Both Statements I and II are necessary to answer the question.

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Explanation:

Monthly income of C in April be Rs. x
Monthly income of C in November be Rs. y
Monthly expenditure of C in April = x*60/100
Monthly savings of C in April = x*40/100
Monthly expenditure of C in November = y*75/100
Monthly expenditure of C in November = y*25/100
Statement I: The difference between the monthly savings of C in April and November is 12000.
X*40/100 – y*25/100 = 12000
40x – 25y = 1200000 --- (1)
Statement II: The difference between the monthly expenditure of C in April and November is 10000.
X*60/100 – y * 75/100 = 10000
60x – 75y = 1000000 ---- (2)
From the statement I and II, we can find the monthly income of C in April and November.