**Q.Find the LCM of 96 and 360 by using the fundamental theorem of arithmetic.**

**Ans. 1440**

**Q.What will be the least number that is divisible by all the numbers from 1 to 10 (both inclusive).**

**Ans. 2520**

**Q. What will be two natural numbers whose sum is 85 and the least common multiple is 102?**

**Ans. 51 & 34**

**Q.The HCF and LCM of two numbers are 33 and 264 respectively. When the first number is completely divided by 2 the quotient is 33. find the other number.**

**Ans. 132**

**Q. Given that HCF (306, 657) = 9, find LCM (306, 657).**

**Ans. 22338**

**Q. Find the largest number which divides 70 and 125 leaving the remainder 5 and 8 respectively.**

**Ans. 13**

**Q.The decimal expansion of π is terminating or nonterminating non-recurring.**

**Ans. nonterminating non-recurring**

**Q.HCF and LCM of two numbers are 9 and 459 respectively. If one of the numbers is 27, find the other number.**

**Ans. 153**

**Q. Find the HCF (865, 255) using Euclid’s division lemma.**

**Ans. 153**

**Q.Find HCF and LCM of 13 and 17 by prime factorization method.**

**Ans.221**