Question

If 50% of students are good at science out of 20 students. Then the
number of students good at science is:
a) 10
b) 15
c) 5
d) 11​

Answer 1

Answer:

A

Step-by-step explanation:

50/100 ×20=10

when you solve you get 10

Answer 2

The number of students good at science is 10

Given :

50% of students are good at science out of 20 students.

To find :

The number of students good at science is

a) 10

b) 15

c) 5

d) 11

Solution :

Step 1 of 2 :

Write down the total number of students

Total number of students = 20

Step 2 of 2 :

Find number of students good at science

Here it is given that 50% of students are good at science out of 20 students.

Hence number of students good at science

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

$\displaystyle \sf{ = 20 \times \frac{1}{2} }$

$\displaystyle \sf{ = 10 }$

Hence the correct option is a) 10

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