,ratio between age of Priya and swati is 3:4.if shikha is 6 year younger than Swati and average age of all three is 31years,then shikhas age
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Shikha age = 30 Years
Step-by-step explanation:
Ratio between age of Priya and swati is 3:4
Let say Priya age = 3P Years
then Swati age = 4P Years
Shikha is 6 year younger than Swati
=> Shikha Age = 4P - 6 Years
Total Age of Priya , Swati & Shikha = 3P + 4P + 4P - 6 = 11P - 6 Years
Avergae age of three = (11P - 6)/3
(11P - 6)/3 = 31
=> 11P - 6 = 93
=> 11P = 99
=> P = 9
Shikha age = 4P - 6 = 4*9 - 6 = 36 - 6 = 30 Years
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