If 10% of x's income = 15% of y's income = 20% of z's income. If the sum of their incomes is ₹78,000, find y's income.

0.1x = 0.15y = 0.2z => 2x = 3y = 4z। अनुपात x:y:z = 6:4:3। कुल इकाइयाँ = 13। y का हिस्सा = (4/13) * 78000 = ₹24,000।