Question

Average age of 20 student is 20. Two new student get admission in the same class. then the average age of the students became 22. find what is the Average age of two new students ?​

Answer 1

Answer:

42

Step-by-step explanation:

avg. age of 20 std. - 20

let sum of age of new 2 be - x

new average = (20+20+20+..... 20 times+ x )÷ 22 = 22

400 + x = 484

x = 84

average of age of new two = 84÷2

= 42