Question
The average income of Tania, Sweta and Priya is Rs. 360.
Sweta earns Rs. 30 more than Priya and Tania earns four times what Priya earns. Find Sweta’s income.Solution
ATQ,
Let Priya’s income = Rs. x
Sweta’s income = x + 30, Tania’s income = 4x
Total income = x + (x + 30) + 4x = 6x + 30
Average = Rs. 360 ⇒ Total = 3 × 360 = 1080
6x + 30 = 1080
⇒ 6x = 1050
⇒ x = Rs. 175
Sweta’s income = 175 + 30 = Rs. 205
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