जॉइन Examsbook
The average age of 40 boys is 16.95 years. By the addition of a new boy, the average of the class is raised to 17 years. What is the age of the new boy?5
प्र: The average age of 40 boys is 16.95 years. By the addition of a new boy, the average of the class is raised to 17 years. What is the age of the new boy?
- 118 yearsfalse
- 219 yearstrue
- 320 yearsfalse
- 4None of thesefalse
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