Question

in a pond there were 40 lotus plants. After a year the number rose to 56. Calculate the birth rate of lotus plant.​

Answer 1

Answer: The birth rate of lotus plant. is 0.4.

Concept: Birth rate is defined as increase in number of plants with respect to initial number of plants.

Birth rate = Increase in lotus plants/Initial number of lotus plants

Given: Initial number of lotus plants = 40

Lotus plant after 1 year = 56

To find: The birth rate of lotus plant.

Explanation:

Initial number of lotus plants = 40

Lotus plant after 1 year = 56

Increase in lotus plants = 56 - 40 = 16

Birth rate is defined as increase in number of plants with respect to initial number of plants.

Birth rate = Increase in lotus plants/Initial number of lotus plants

Birth rate = 16/40

Birth rate = 0.4

Answer: The birth rate of lotus plant. is 0.4.

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