Question

To pass an exam a student has to pass in each of the 3papers. in how many ways can a student fail in exam

Answer 1

He will fail if,

1) He fail in all papers...
2) He fail in any 2 papers out of 3...
3) He fail in any 1 paper out of 3...

Plz mark as Brainliest...

Answer 2

Answer:

2×2×2-1=7

Step-by-step explanation:

student have 2 choices can either fail or pass

total no of ways 2×2×2=8

now as said the way student can fail should be given so 2×2×2-1=7 ways