lcm / hcf / mixed problem / using formula / class- 1-2-3/ Knowledge Hub

 Problem type - 1

1- The HCF of two number is 4 , their LCM is 24 and one of the number is 8. find the other number.

2- The HCF of two number is 5 , their LCM is 165 and one of the number is 55. find the other number. 

3- The HCF of two number is 28 , their LCM is 336 and one of the number is 112. find the other number.

4- The LCM of two number is 693 , their HCF is 7 and one of the number is 77. what is the other number. 

5- The LCM of two number is 300 , their HCF is 3 and one of the number is 75. what is the other number. 

Problem type -2

 1- The LCM of 32 and 48 is 96. What is their HCF.

2- The LCM of 20 and 30 is 60 . What is their HCF.

3- The LCM of 18 and 30 is 90. What is their HCF.

4- The LCM of 52 and 78 is 156. What is their HCF.

5- The LCM of 38 and 57 is 114. What is their HCF.

Problem type -3

 1- The HCF of 45 and 60 is 15. What is their LCM.

2- The HCF of 55 and 99 is 11. What is their LCM.

3- The HCF of 104 and 117 is 13. What is their LCM.

4- The HCF of 51 and 85 is 17. What is their LCM.

5- The HCF of 72 and 80 is 8. What is their LCM.

Problem type -4

 1- The product of two numbers is 516. If their HCF is 3. Find their LCM.

2- The product of two numbers is 108. If their HCF is 3. Find their LCM.

3- The product of two numbers is 98. If their HCF is 7. Find their LCM.

4- The product of two numbers is 320. If their HCF is 4. Find their LCM.

5- The product of two numbers is 750. If their HCF is 5. Find their LCM.

Problem type -5

 1- The product of two numbers is 432. If their LCM is 72. Find their HCF.

2- The product of two numbers is 384. If their LCM is 48. Find their HCF.

3- The product of two numbers is 500. If their LCM is 100. Find their HCF.

4- The product of two numbers is 588. If their LCM is 84. Find their HCF.

5- The product of two numbers is 242. If their LCM is 22. Find their HCF.

 

 

 

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