Question

In a class of 32 students, 4 were not present one day. Out of all the students who were present on
that day, 25% had failed in a mathematics test. How many students were present in the class on
that day who had passed that mathematics test?
(a) 16
(b) 21
(c) 12
(d) 18
​

Answer 1

Answer:

21

Step-by-step explanation:

students present on that day=32-4=28

25% failed.so,25% of 28=7 failed.so 28-7=21 passed