Question

Solution :
Example 4: If 48 men can. dig a trench in 14 days, how long will 28 men take to dig a similar trench? of work in 25 days, how many days will 15 men
take to do it?
36 men can finish the work in 25 days
1 man can finish it in [25 X 36] days [less men, more days]
[25 x 36]
15 men can finish it in
days [more men, less days]
15
= 60 days
Hence, the required number of days 60.
Exercise 9.2
If 48 men can dig a trench in 14 days, how long will 28 men take to dig a similar
trench?
45 cows can graze a field in 13 days. How many cows will graze the
same field in 9 days?​

Answer 1

Answer:

Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP).