Math, asked by Arshrastogi6697, 1 year ago

The average age of a class of 50 boys is 12.9 years. It is raised to 13 years by coming of a new boy. The age of new boy is

Answers

Answered by rudrapatisudhakar123

0

Answer:

18.67

Step-by-step explanation:

Answered by maneshivraj2004

0

Answer:

I don't know

Previous Question

Next Question

Similar questions

Math, 7 months ago

(costheta-cottheta)^2...

Math, 7 months ago

AB ×BA=(B+1)7B find the value of the letters please help me I am a student of class 8th...

India Languages, 7 months ago

1, ಬುನಾದಿ ಪದದ ಅರ್ಥ (ಅ) ಅಡಿಪಾಯ (ಆ) ವಿನಯ (ಇ) ಬಾಗಿದ (ಈ) ಆಶ್ರಯ...

Math, 1 year ago

The average value of all the pennies, nickels, dimes, and quarters in paula's purse is 20 cents. If she had one more quarter, the average value would be $21$ cents. How many dimes does she have in her purse? (dime = 10 cents; nickel = 5 cents; penny = 1 cent)...

Biology, 1 year ago

The average waiting time in a doctors office varies. The standard deviation of waiting times in a doctors office is 3.4 minutes. A random sample of 30 patients in the doctors office has a standard...

Physics, 1 year ago

please answer my question carefully...

Science, 1 year ago

regular or irregular reflection of light...

Math, 1 year ago

if tan theta equals to b by a then a cos 2 theta + b sin 2 theta...