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.

The sum of two numbers is 37, and the difference of their squares is 185. What is the difference between the two numbers?

The sum of two numbers is 37, and the difference of their squares is 185. What is the difference between the two numbers? दो संख्याओं का योग 37 है और उनके वर्गों का अंतर 185 है, तो दोनों संख्याओं के बीच का अंतर है:

The sum of two numbers is 37, and the difference of their squares is 185. What is the difference between the two numbers? Read More »

Find the smallest number which, when divided separately by 15, 20, 36, and 48, leaves a remainder of 3 in each case.

Find the smallest number which, when divided separately by 15, 20, 36, and 48, leaves a remainder of 3 in each case. वह छोटी से छोटी संख्या ज्ञात कीजिए जिसे 15, 20, 36 और 48 से अलग-अलग विभाजित करने पर प्रत्येक स्थिति में 3 शेष बचे।

Find the smallest number which, when divided separately by 15, 20, 36, and 48, leaves a remainder of 3 in each case. Read More »

What is the difference between the largest and the smallest four-digit number that starts with 3 and ends with 5?

What is the difference between the largest and the smallest four-digit number that starts with 3 and ends with 5? चार अंकों की सबसे बड़ी और सबसे छोटी संख्या जो 3 से शुरू होती है और 5 पर समाप्त होती है, के बीच का अंतर है?

What is the difference between the largest and the smallest four-digit number that starts with 3 and ends with 5? Read More »

Which is the largest five-digit number that is completely divisible by 8, 15, 16, 21, and 5?

Which is the largest five-digit number that is completely divisible by 8, 15, 16, 21, and 5? 8, 15, 16, 21 और 5 से पूरी तरह से विभाज्य होने वाली सबसे बड़ी पांच-अंकीय संख्या निम्न में से कौन-सी है ?

Which is the largest five-digit number that is completely divisible by 8, 15, 16, 21, and 5? Read More »

Find the number when successively divided by 3, 5 and 7 leaves remainder 2, 1 and 3, respectively, and the last quotient is 3.

Find the number when successively divided by 3, 5 and 7 leaves remainder 2, 1 and 3, respectively, and the last quotient is 3. वह संख्या ज्ञात कीजिए जिसे क्रमिक रूप से 3, 5 और 7 से विभाजित करने पर शेषफल क्रमशः 2, 1 और 3 बचता है, और अंतिम भागफल 3 है।

Find the number when successively divided by 3, 5 and 7 leaves remainder 2, 1 and 3, respectively, and the last quotient is 3. Read More »

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