SSC CGL Probability Questions, Download Free PDF

Probability is an important topic in the Quantitative Aptitude section of the SSC CGL exam. Based on past exam patterns, candidates usually face 2–3 probability questions in Tier 1, with difficulty ranging from easy to moderate. The practice questions provided here are designed to help aspirants strengthen their understanding of probability concepts and formulas. These are sample questions for preparation purposes only and not official SSC exam questions.

Concept of Probability

Probability is the measure of the likelihood or chance that a particular event will occur. The probability of an event is always a number between 0 and 1, where:

• 0 means the event will not occur.
• 1 means the event will definitely occur.
• Between 0 and 1, the probability represents the relative chance of the event happening.

Basic Probability Formula

The probability of an event E is given by the ratio of the number of favorable outcomes to the total number of possible outcomes in the sample space. It is written as:

Where:

• P(E) is the probability of event E,
• The total number of possible outcomes is the size of the sample space, ∣S∣.

Probability Questions for SSC CGL

Below, we have provided the Probability Questions for SSC CGL. Download the PDF for Hindi questions, answers, and detailed solutions.

Probability for SSC CGL Question 1:

Two cards are drawn from a well shuffled pack of cards. Find the probability that exactly one of them is red.

A) (13/51)

B) (32/51)

C) (26/51)

D) (16/51)

Probability for SSC CGL Question 2:

If the probability of happening of rain is 0.4, then find the odds in favour of happening of rain.

A) (1/3)

B) (3/2)

C) (2/3)

D) 3

Probability for SSC CGL Question 3:

Two dice are thrown simultaneously. Find the probability that exactly one of the numbers appearing is prime.

A) (1/2)

B) (5/12)

C) (5/9)

D) None of these

Probability for SSC CGL Question 4:

A card is removed from a well shuffled pack of 52 cards. A card is now drawn at random from the pack. What is the probability that the drawn card is a king?

A) (19/221)

B) (1/13)

C) (15/221)

D) (3/17)

Probability for SSC CGL Question 5:

A bag contains 8 tennis balls and certain cricket balls. Two balls are drawn at random from the bag, and the probability that both balls are cricket balls is (1/5). Find the total number of balls in the bag.

A) 20

B) 15

C) 12

D) 16

Probability for SSC CGL Question 6:

A and B are two events such that P(A) = 0.3 and P(A∪B) = 0.7. If A and B are independent then P(B) is

A) 2/3

B) 3/7

C) 4/7

D) 2/5

Probability for SSC CGL Question 7:

A bag contains 5 black and 3 red balls If 3 balls are drawn at random without replacement the probability of getting exactly one black ball is

A) 15/56

B) 45/196

C) 15/112

D) 135/392

Probability for SSC CGL Question 8:

A card is removed from a well shuffled pack of 52 cards. A card is now drawn at random from the pack. What is the probability that the drawn card is a king?
A) (19/221)
B) (1/13)
C) (15/221)
D) (3/17)

Probability for SSC CGL Question 9:

Three coins are tossed simultaneously. What is the probability that number of tails is more than number of heads?
A) (1/2)
B) (3/8)
C) (1/4)
D) (3/4)

Probability for SSC CGL Question 10:

A card is removed from a pack of 52 cards and a card is now drawn at random. What is the probability that the drawn card is king?
A) (19/221)
B) (42/221)
C) (1/13)
D) (4/39)

Disclaimer: The probability questions provided in this article are practice/sample questions created from past SSC CGL exam patterns. They are not official SSC questions and should not be considered guaranteed to appear in the exam. Actual questions may differ, and candidates should rely on official SSC notifications and answer keys for verification.

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