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Modulus - 1 Video Lecture | Quantitative Aptitude (Quant) - CAT

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FAQs on Modulus - 1 Video Lecture - Quantitative Aptitude (Quant) - CAT

1. What is modulus in mathematics?
Ans. Modulus, also known as absolute value, is a mathematical operation that returns the magnitude or distance of a number from zero. It disregards the sign of the number and always provides a positive value.
2. How is modulus calculated?
Ans. To calculate the modulus of a number, simply remove the negative sign if the number is negative. If the number is already positive, the modulus remains the same. For example, the modulus of -5 is 5, and the modulus of 5 is also 5.
3. What is the purpose of modulus in programming?
Ans. In programming, the modulus operator (%) is used to find the remainder when one number is divided by another. It is commonly used to perform tasks such as checking if a number is even or odd, generating patterns, or cycling through a range of values.
4. Can the modulus operator be used with decimal numbers?
Ans. No, the modulus operator is typically not used with decimal numbers. It is designed to work with integers and returns the remainder as an integer value. If decimal numbers are used, they are usually converted to integers before applying the modulus operator.
5. Are there any limitations to using the modulus operator?
Ans. One limitation of the modulus operator is that it cannot be used to divide by zero. Attempting to do so will result in an error. Additionally, when dealing with negative numbers, different programming languages may handle the modulus operation differently, so it is important to be aware of the language-specific behavior.
183 videos|152 docs|113 tests

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