Question

A mathematics test was given to a class of 40. 4⁄5 of the students gave all correct answers. How many students made some mistakes?

Answer 1

Answer:

no of students= 40

Fraction of students that gave right answer=4/5

Therefore, 40*4/5=32

40-32= 6

6 students made mistake

Answer 2

Answer:

8

Step-by-step explanation:

To multiply two numbers by two, place one number on top of the other and draw a line under them. The result should be written under the line after dividing the bottom one's number by the top one's.

The result of two numbers being multiplied is known as the product. The multiplier is the number of such equal groups, and the multiplicand is the number of items in each group.

A mathematics test was given to a class of = 40

The students gave all correct answers=4/5

Then ,$40\times4/5=32$

Students made some mistakes 40-32=8

Hence, 8 students made some mistakes.

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