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Income of Karan is Rs.x and income of Arjun is Rs.y.Expenditure on food by both is 10 % of their income. Expensiture on entertainment by Karan is twice the expenditure on food.Saving of Karan is Rs.35,000.Expenditure on entertainment by Arjun is Rs.12,000.Saving of Arjun is 75 % of his income. Find their income?1. Rs. 72,000 and Rs.50,0002. Rs. 80,000 and Rs.60,0003. Rs. 24,000 and Rs 50,0004. Rs. 80,000 and Rs.50,0005. Rs. 18,000 and Rs 54,000 |
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Answer» Correct Answer - Option 4 : Rs. 80,000 and Rs.50,000 Given Income of Karan = Rs.x Income of Arjun = Rs.y Calculation: Expenditure on food by Karan = 10 % of x Expenditure on entertain by Karan = 2(10 % of x) 20x/100 Saving of Karan = Rs.35,000 Income of Karan = expenditure + saving ⇒ x = (10x/100) + (20x/100) + 35,000 ⇒70x/100 = 35,000 ⇒ x = (35,000 × 100)/70 ⇒ x = 50,000 Expenditure on food by Arjun = Rs.10 % of y Expenditure on entertainment by Arjun = Rs.12,000 Saving of Arjun = Rs.75 % of y Income of Arjun = 10 % of y + 12,000 + 75 % of y ⇒ y= 85 % of y + 12,000 ⇒ 15y/100 = 12000 ⇒ y = (12,000 × 100)/15 ⇒ y = Rs.80,000 |
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