Tuesday, 2 June 2026

Bank Exam Practice Material Series Page 15 | Advanced Probability Tricks and Chance Calculation Methods

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Ultimate Bank Exam Practice Material Series 2026

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Probability

Chance Concepts

Heavy Standard Questions

Speed Tricks

Page 15 – Advanced Probability Tricks and Chance Calculation Methods

Master advanced probability concepts, chance calculation methods, event analysis, and shortcut solving techniques for competitive examinations.

Why Probability is Important

Important topic in Bank and SSC exams
Strengthens logical reasoning ability
Useful in data interpretation and puzzles
Improves analytical thinking skills
Enhances fast decision-making calculations

Core Concepts Covered

Basic Probability
Independent Events
Complementary Probability
Dice & Card Problems
Combination-Based Probability

Important Probability Formulas

Basic Probability Formula

Complementary Probability

Independent Events

Advanced Probability Tricks

Trick 1 – Dice Probability

Find probability of getting an even number on a die.

Even numbers:

2, 4, 6

Favourable outcomes = 3

Total outcomes = 6

Answer = 3/6 = 1/2

Trick 2 – Card Probability

Find probability of drawing a king from a deck of cards.

Kings = 4

Total cards = 52

Probability:

4/52

Answer = 1/13

Trick 3 – Complementary Probability

Probability of success = 0.7

Probability of failure:

1 − 0.7

Answer = 0.3

Heavy Standard Practice Questions

Question 1

Find probability of getting a prime number on a die.

Answer = 1/2

Question 2

Find probability of drawing a red card from a deck.

Answer = 1/2

Question 3

Two coins tossed together. Find probability of getting two heads.

Answer = 1/4

Question 4

Probability of passing an exam is 0.8. Find probability of failing.

Answer = 0.2

Fast Revision Table

Concept	Shortcut Idea
Basic Probability	Favourable ÷ Total outcomes
Complementary Probability	Subtract from 1
Independent Events	Multiply probabilities
Cards & Dice	Count favourable outcomes carefully