Number System

Number System is the foundation of Quantitative Aptitude and is asked in almost every competitive examination. This topic includes natural numbers, whole numbers, integers, rational and irrational numbers, divisibility rules, HCF and LCM.

This page provides a complete collection of Number System Maths Questions in Hindi and English for SSC, Banking, Railways and State level exams. All questions include correct answers with easy-to-understand solutions.

Regular practice of Number System questions helps in strengthening basic mathematical concepts and improves calculation speed.

Find the standard deviation of the following data (rounded off to two decimal places). 5, 3, 4, 7

Find the standard deviation of the following data (rounded off to two decimal places). निम्नलिखित आँकड़ों का मानक विचलन ज्ञात कीजिए। अपना उत्तर दशमलव के बाद दो स्थानों तक लिखिए। 5, 3, 4, 7

Find the standard deviation of the following data (rounded off to two decimal places). 5, 3, 4, 7 Read More »

There are 5 consecutive even numbers $\text X_1,X_2,X_3,X_4,X_5 $ and 4 consecutive odd numbers $\text Y_1,Y_2,Y_3,Y_4 $ The average of the even numbers.

There are 5 consecutive even numbers $\text X_1,X_2,X_3,X_4,X_5 $ and 4 consecutive odd numbers $\text Y_1,Y_2,Y_3,Y_4 $ The average of the even numbers. is 5 more than the average of the odd numbers. If the sum of the even number is 30 more than the sum of the odd numbers, find the average of the

There are 5 consecutive even numbers $\text X_1,X_2,X_3,X_4,X_5 $ and 4 consecutive odd numbers $\text Y_1,Y_2,Y_3,Y_4 $ The average of the even numbers. Read More »

The sum of two numbers is 56. Their difference is $\frac{1}{7}$ of their sum. Their LCM is :

The sum of two numbers is 56. Their difference is $\frac{1}{7}$ of their sum. Their LCM is : दो संख्याओं का योग 56 हैं। उनका अंतर उनके योग का$ \frac{1}{7}$ हैं। उनका लघुत्तम समापवर्त्य (LCM) ज्ञात कीजिए।

The sum of two numbers is 56. Their difference is $\frac{1}{7}$ of their sum. Their LCM is : Read More »

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