the average age of 25 boys in standard 7 is 12 years 9 months average

1.	the average age of 25 boys in standard 7 is 12 years 9 months average age of 25 girls in standard 7 is 12 years 6 month find the average of the whole class
Answer» Answer: 12 yrs 7mths 15 days Step-by-step explanation: average age of boys=12 yrs 9 mths=12 3/4 yrs=51/4 yrs. average age of girls=12 yrs 6 mths=12 1/2 yrs=25/2 yrs=50/4 yrs. Average age of WHOLE CLASS=(51/4 + 50/4)/2=(101/4)/2=101/8=12 5/8 yrs =12 yrs 7mths 15 days HOPE IT HELPS. PLEASE RATE, THANK AND MARK AS BRAINLIEST.

the average age of 25 boys in standard 7 is 12 years 9 months average age of 25 girls in standard 7 is 12 years 6 month find the average of the whole class

Answer»

Answer:

Step-by-step explanation:

average age of boys=12 yrs 9 mths=12 3/4 yrs=51/4 yrs.

average age of girls=12 yrs 6 mths=12 1/2 yrs=25/2 yrs=50/4 yrs.

Average age of WHOLE CLASS=(51/4 + 50/4)/2=(101/4)/2=101/8=12 5/8 yrs

=12 yrs 7mths 15 days

HOPE IT HELPS.

PLEASE RATE, THANK AND MARK AS BRAINLIEST.