Best Maths Tricks for RRB Exam to Solve Questions 5 Times Faster 

Memorize multiplication tables up to 20.Use tricks like squaring numbers ending in 5: (a5)^2 = (a * (a+1)) + 25. Use distributive property: a * b = (a + b)^2 - (a^2 + b^2).

Learn Multiplication Shortcuts: 

 Use the BODMAS rule (Brackets, Orders, Division and Multiplication, Addition and Subtraction) to solve complex expressions step by step.

Simplify Calculations: 

Learn the divisibility rules for numbers like 2, 3, 4, 5, 6, 9, and 10. This can help you quickly determine if a number is divisible by another number.

Divisibility Rules: 

For percentage calculations, it's often easier to work with fractions. Convert percentages to fractions and vice versa. To find 10% of a number, simply move the decimal point one place to the left.

Percentage and Fraction Tricks: 

Memorize squares of numbers up to 30 and cubes of numbers up to 10. This can help in quickly solving problems involving squares and cubes.

Shortcut for Squares and Cubes: 

Use the left-to-right method for addition and subtraction to prevent errors in carrying over. Round numbers to the nearest multiple of 10 for easier mental calculations.

Fast Addition and Subtraction: 

In multiple-choice questions, you can often approximate answers to quickly eliminate obviously incorrect options.

Use Approximations: 

Understand the concept of ratios and proportions as they appear in many quantitative aptitude questions.

Ratio and Proportion: 

Regularly practice mental math exercises to improve your calculation speed and accuracy.

Practice Mental Math: 

Skip complicated or time-consuming questions initially, and return to them if you have time at the end. Read questions carefully to avoid mistakes caused by misinterpretation.

Time-Saving Techniques: 

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