solve only question number 6
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Here is Ur answer
Sheena age =5 years
Sheena mother's age =25 years
Answer:
Let present age of Sheena be x
Mother present age is 5x
5 years later
Sheena's age = (x+5)
Mothers age = (5x+5)
By condition
x+5 =1/3 ×5x+5
3x+15=5x+5
5x-3x=15-5
2x =10
x=5
Sheena's present age =x=5
Mothers present age = 5x =25