During laboratory experiments, 30 fishes died from an aquarium tank ha

1.	During laboratory experiments, 30 fishes died from an aquarium tank having 150 fishes during one month. What is the rate of mortality of fishes per month ? (a) 0.2(b) 0.3 (c) 0.4 (d) 0.5
Answer» Correct answer is (a) 0.2 Rate of mortality of fishes per month = \(\cfrac{Number\,of\,individuals\,dead}{Total\,number\,of\,individual}\) =\(\cfrac{30}{150}\) = 0.2

During laboratory experiments, 30 fishes died from an aquarium tank having 150 fishes during one month. What is the rate of mortality of fishes per month ? (a) 0.2(b) 0.3 (c) 0.4 (d) 0.5

Answer»

Correct answer is (a) 0.2

Rate of mortality of fishes per month = \(\cfrac{Number\,of\,individuals\,dead}{Total\,number\,of\,individual}\)

=\(\cfrac{30}{150}\)

= 0.2