Question
The average age of a group of 20 boys is 25 years. A boy
aged 15 years leaves the group. A new boy joins the group and the average age of the group increases by 2 years. What is the age of the new boy?Solution
The correct answer is A
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X started a business with Rs.12000. After 6 months, Y joined with x% of X’s capital. At the end of the year, Y’s share in the Rs.36000 total profit ...
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