1.

Monthly income of A and B are in the ratio of 4 ∶ 3 and their expenses bear the ratio of 3 ∶ 2. If each of them saves Rs. 6000 at the end of the month, then what is the monthly income of A?1). Rs. 120002). Rs. 240003). Rs. 300004). Rs. 60000

Answer»

Let the monthly income of A and B be 4x and 3X.

Let the monthly expenses of A and B be 3y and 2y.

Income = Expenditure + Saving

⇒ 4x = 3y + 6000----(1)

⇒ 3x = 2y + 6000----(2)

By solving eq. (1) and (2), we get

X = 6000 and y = 6000

Monthly salary of A = 4x = 4 × 6000 = 24000


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