Math, asked by Lizonmatthew6167, 1 year ago

THE AVERAGE AGE OF 20 STUDENTS OF A CLASS IS 18. WHEN THE AGE OF CLASS TEACHER IS INCLUDED THE AVERAGE AGE BECOMES 20. FIND THE AGE OF CLASS TEACHER

Answers

Answered by Anonymous

1

Let the average age of the Teacher be x
Average age of Students = 18
According to Question -
18 + x = 20
x = 20-18
x = 2

Previous Question

Next Question

Similar questions

Accountancy, 7 months ago

Journalise the following transactions in the books of Gajanan 2019 May 3 Purchased goods for 90,000 and amount paid by Bank directly 7 Sold goods to Satish on credit 30,000. Paid for Postage * 10,000 12 Paid for Wages *15,000. 15 Received cheque of 30,000 from Sati. 21 Received Dividend 5000. asset 25 Purchased Laptop of 40,000 and paid by cheque. 28 Deposited cash 10,000 into State Bank of...

Computer Science, 7 months ago

Q- What is Time Sharing OS? [Ans in 5lines.] -: Need perfect ans... -: Spam not allowed here.. [Doraemon ans it plz, n tell reason y ]...

Computer Science, 7 months ago

describe the use of flash drive...

Chemistry, 1 year ago

Coal,petroleum and natural gas in state of India...

Math, 1 year ago

Given that HCF(306,657)=9,fimdLCM(306,657)...

Chemistry, 1 year ago

how to identify the change is chemical or physical (please don't understand me about physical or chemical change I know) give me tricks for identifying with some questions...

Math, 1 year ago

the ratio of two sides of parallelogram is 3 ratio 5 and it's perimeter is 48cm find longest side of parallelogram...

Biology, 1 year ago

Explain the different ways in which glucose is broken down in absence of oxygen...