1. The sum of two numbers is 232 and their H.C.F is 29. How many pairs of such numbers are 


2. Sum of two numbers is 63. Their difference is 1/8 of their sum. their L.C.M is 


3. Find the L.C.M of the fractions 2/7 , 5/14, and 4/21 


4. Find the H.C.M of the fractions 1/3, 3/5 and 7/12 


5. The H.C.F of two numbers is 36 and their L.C.M is 1600. If one of the numbers is 160, find the other? 


6. Find the least number which when divided by 26, 36 and 46 leaves the remainders 12, 22 and 32 respectively. 


7. Two numbers are in the ratio 3 : 4. If their L.C.M. is 96. what is sum of the numbers? 


8. Three numbers are in the ratio of 2 : 3 : 4 and their L.C.M. is 240. Their H.C.F. is: 


9. What is the lowest common multiple of 12, 36 and 40? 


10. What is the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder? 


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