Practice HCF and LCM Questions and Answers

• The least number which when divided by 8,16,22 and 32 leave a same remainder 1 in each case?  ...
• The least number which when divided by 16, 32 and 48 leave remainder 4, 20 and 36 respectively is? 
• The least number which when divided by 3, 9, 27 and 81 leave remainder 2, 8, 26 and 80 respectively is? 
• The least number which when divided by 12, 27 and 39 leave remainder 8, 23 and 35 respectively is?  ...
• The H.C.F of two numbers is 3 and their L.C.M is 782. If one of the numbers is 34, find the other?
• The H.C.F of two numbers is 2 and their L.C.M is 117. If one of the numbers is 13, find the other?
• The H.C.F of two numbers is 8 and their L.C.M is 136. If one of the numbers is 64, find the other?
• The sum of two numbers is 96 and their HCF is 12. Total number of such pairs is?     
• The sum of two numbers is 65 and their HCF is 13. Total number of such pairs of numbers is?     
• The sum of two numbers is 126 and their HCF is 14. Total number of such pairs of numbers is?     
• The sum of two numbers is 99 and their HCF is 9. Total number of such pairs of numbers is?     
• The sum of two numbers is 104 and their HCF is 13. Total number of such pairs of numbers is?      ...
• The sum of two numbers is 96 and their HCF is 24. Total number of such pairs of numbers is?      ...
• The product of two numbers is 3600 and their HCF is 6. Total number of such pairs of numbers is?     
• The product of two numbers is 10140 and their HCF is 13. Total number of such pairs of numbers is?      ...
• The product of two numbers is 504 and their HCF is 6. Total number of such pairs of numbers is?     
• The product of two numbers is 972 and their HCF is 9. Total number of such pairs of numbers is?      ...
• Find the greatest number of four digits which is exactly divisible by 12, 15, 20 and 35?
• Find the least number of four digits which is exactly divisible by 5, 15 and 25?
• Find the least number of four digits which is exactly divisible by 6, 24 and 32?
• LCM of 21 5 , 21 10 and 21 15 is? (1). 21 5 (2). 21 15 (3).2130 (4 ). 21 10 ...
• What is the minimum number of square marbles required to tile a floor of length 2 metres 8cm and width 2 metres 86 cm?  
• What is the minimum number of square marbles required to tile a floor of length 4 metres 35cm and width 3 metres 60 cm?  
• What is the least number which when divided by 3, 15 & 18 leave a remainder 6 in each case & it is also divisible by 12?
• The LCM of two numbers is 216 and their HCF is 36. If one of the numbers is 72, the other number is:
• The LCM of two numbers is 432 and their HCF is 55. If one of the numbers is 132, the other number is:
• The HCF of 2165 and 7409 is 239, their LCM is:
• The HCF of 6453 and 7122 is 325, their LCM is:
• The HCF of 4625 and 5445 is 225, their LCM is:
• The HCF of 5453 and 6409 is 221, their LCM is:
• The LCM of two numbers is 4 times of their HCF. The sum of LCM and HCF is 280. If one of the number is 224, then the other number is:
• The LCM of two numbers is 3 times of their HCF. The sum of LCM and HCF is 240. If one of the number is 200, then the other number is:
• The LCM of two numbers is 4 times of their HCF. The sum of LCM and HCF is 350. If one of the number is 200, then the other number is:
• The LCM of two numbers is 4 times of their HCF. The sum of LCM and HCF is 320. If one of the number is 256, then the other number is:
• The LCM of two numbers is 5 times of their HCF. The sum of LCM and HCF is 300. If one of the number is 250, then the other number is:
• The HCF of two numbers is 8. Which of the following can never be their LCM?
• The HCF of two numbers is 14. Which of the following can never be their LCM?
• The HCF of two numbers is 7. Which of the following can never be their LCM?
• The HCF of two numbers is 13. Which of the following can never be their LCM?
• The HCF of two numbers is 18. Which of the following can never be their LCM?