Number System Questions
The number system covers divisibility, factors, multiples, and related numerical properties. This collection focuses on LCM-based problems, including finding the smallest numbers that satisfy given divisibility and remainder conditions.
7 questions
- Which number is in both natural and integer sets?
- Which number is NOT part of the natural numbers?
- Given that \(343\times(\sqrt7)^n=49^4\), find n.
- What is the simplest form of the fraction represented by the recurring decimal 0.454545...?
- What is the square root of 7744?
- A number when divided by 45 leaves remainder 27, and when divided by 27 leaves remainder 9. Find the smallest such number.
- Which of the following is the smallest number divisible by 9, 12, and 15 and leaves a remainder of 4 in each case?