Question

4. Find the average of the first five multiples of 5.
5. The average age of three brothers is 15 years. If the age of two brothers
15 years and 12 years, find the age of the third brother.
6. The heights of four members of a family are 1 m 60 cm, 1 m 50 cm, 1 m 10​

Answer 1

Step-by-step explanation:

1 5+10+15+20+25/5=75/5=15

2. 15+12+x/3=15

27+x=45

x=45-27 =18

the age of third brother is 18 years

sorry i did not get next question