EASY
8th CBSE
IMPORTANT
Earn 100

In a lottery, there are 10 prizes and 20 blanks. A ticket is chosen at random. What is the probability of getting a prize?

Important Questions on Probability

EASY
8th CBSE
IMPORTANT
Mathematics Class 8>Chapter 25 - Probability>EXERCISE
It is known that a box of 100 electric bulbs contains 8 defective bulbs. One bulb is taken out at random from the box. What is the probability that the bulb drawn is defective?
MEDIUM
8th CBSE
IMPORTANT
Mathematics Class 8>Chapter 25 - Probability>EXERCISE
It is known that a box of 100 electric bulbs contains 8 defective bulbs. One bulb is taken out at random from the box. What is the probability that the bulb drawn is non-defective?
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8th CBSE
IMPORTANT
Mathematics Class 8>Chapter 25 - Probability>EXERCISE
A die is thrown at random. Find the probability of getting 2.
EASY
8th CBSE
IMPORTANT
Mathematics Class 8>Chapter 25 - Probability>EXERCISE
A die is thrown at random. Find the probability of getting a number less than 3.
MEDIUM
8th CBSE
IMPORTANT
Mathematics Class 8>Chapter 25 - Probability>EXERCISE
A die is thrown at random. Find the probability of getting a composite number.
MEDIUM
8th CBSE
IMPORTANT
Mathematics Class 8>Chapter 25 - Probability>EXERCISE
A die is thrown at random. Find the probability of getting a number not less than 4.
EASY
8th CBSE
IMPORTANT
Mathematics Class 8>Chapter 25 - Probability>EXERCISE
In a survey of 200 ladies, it was found that 82 like coffee while 118 dislike it. From these ladies, one is chosen at random. What is the probability that the chosen lady dislikes coffee?
EASY
8th CBSE
IMPORTANT
Mathematics Class 8>Chapter 25 - Probability>EXERCISE
A box contains 19 balls bearing numbers 1, 2, 3, ..., 19 respectively. A ball is drawn at random from the box. Find the probability that the number on the ball is a prime number?