Problems on H.C.F and L.C.M

Practice Problems on H.C.F and L.C.M – The L.C.M of  22, 54, 108, 135 and 198 is

Practice Problems on H.C.F and L.C.M – If the sum of two numbers is 55 and the H.C.F. and L.C.M. of these numbers are 5 and 120 respectively, then the sum of the reciprocals of the numbers is equal to:

Practice Problems on H.C.F and L.C.M – The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is:

Practice Problems on H.C.F and L.C.M – The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is:

Practice Problems on H.C.F and L.C.M – The smallest number which when diminished by 7,  is divisible by  12, 16, 18, 21 and 28 is

Practice Problems on H.C.F and L.C.M – The L.C.M of two numbers is 495 and their H.C.F is 5. If the sum of the numbers is 100, then their difference is 

Practice Problems on H.C.F and L.C.M – Product of two co-prime numbers is 117. Their L.C.M  should be

Practice Problems on H.C.F and L.C.M – The sum of two numbers is 528 and their H.C.F is 33. The number of pairs of numbers satisfying the above condition is

Practice Problems on H.C.F and L.C.M – A rectangular courtyard 3.78 meters long 5.25 meters wide is to be paved exactly with square  tiles, all of the same size. what is the largest size of the tile which could be used for the purpose?

Practice Problems on H.C.F and L.C.M – The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is:

Practice Problems on H.C.F and L.C.M – The H.C.F and L.C.M of two numbers are  84 and 21 respectively.  If the ratio of the two numbers is 1 : 4 , then the larger of the two numbers is 

Practice Problems on H.C.F and L.C.M – The H.C.F of two numbers is 11 and their L.C.M is 7700. If one of the numbers is 275 , then the other is

Practice Problems on H.C.F and L.C.M – Which of the following has the most number of divisors?

Practice Problems on H.C.F and L.C.M – The maximum number of students  among them 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils is:

Practice Problems on H.C.F and L.C.M – Three numbers are in the ratio  1 : 2 : 3  and their H.C.F is 12. The numbers are