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The annual income of A and B are in the ratio 4 : 3 and the ratio of their expenditures is 3 : 2. If each of them saves ₹ 600 in the year, the annual income of A is
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- ₹ 4800
- ₹ 1800
- ₹ 1200
- ₹ 2400
Correct Option: D
Let the annual income of A and B be ₹ 4x and 3x respectively. Also let their annual expenditures be ₹ 3y and 2y respectively
According to question,
4x – 3y = 600 ...(i)
3x – 2y = 600 ...(ii)
From equation (i) and (ii)
4x –3y = 3x – 2y ⇒ x = y
From equation (i)
4x – 3x = 600 ⇒ x = 600
Annual income of A
= 4x = 4 × 600 = ₹ 2400
