Question

70% of 40 students are good in
Maths. How many students are not
good at it?

Answer 1

Answer:

12

Step-by-step explanation:

30% are not good in maths

ie 40×30÷100

=12

Answer 2

Answer:

so, if 70% of 40 students are good in maths so...

it means ---

no of students good in maths = 40 × 70%

= 40 × 70/100

= 2800 / 100

= 28 students

so,

28 students are good in maths

the students which are not good in maths =

40 - 28 = 12 ANS

Step-by-step explanation:

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