Question

Out of 50 students 20% students are
Nor got good in Science find how many students have not got good marks

Answer 1

20% of 50 is 10
so, 10 are not good in science and they didn't get good marks

Answer 2

10 students have not got good marks.

Step-by-step explanation:

Given:

Total students = 50.

Percentage of students not got good marks in science = 20%.

Now, to get the number of students who have not got good marks:

According to question:

$20\%\ of\ 50.$

$=\frac{20}{100} \times 50$

$=\frac{1000}{100}$

$=10.$

Therefore, 10 students have not got good marks.