CanYou Guess Correct Time ?

Can you guess the volume of oil ?

Can you guess the maximum height you will reach?

Guess the correct answer in the ? Box

Can you guess the use of this plant.

A multiple choice examination has 5 questions. Each question has three alternative answers of which exactly one is correct. The probability that a student will get 4 or more correct answers just guessing is

The probability of guessing the correct answer to a certain question is x . If probability of not guessing the correct answer is 2/3 , then find x.

The probability of guessing a correct answer is x/12 . If the probability of not guessing the correct answer is 2/3 , then what is x equal to?