Question

(a) The ages in years of 10 teachers of a school are :- 32,41,28,54,35,26,23,33,38,40

(i) What is the age of the oldest teacher and that of the youngest teacher?

(ii) What is the range of the ages of the teachers?

(iii) What is the mean age of these teachers?

Find the value of :

(i) (3/11) X (2/5)

(b)

(5/4) + (-11/4)​

Answer 1

Answer:

here is your answer

Step-by-step explanation:

i) oldest - 54

youngest- 23

ii) 31

iii) 35

find the value of : answers

i) 6/55

ii) -1.5

Answer 2

Answer:

Age of oldest teachers=54 yerars

Age of youngest teachers = 23 years

∴ Range = (54-23) years =31 years