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

Practice Problems on H.C.F and L.C.M – Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is:

Practice Problems on H.C.F and L.C.M – The G.C.D of 1.08, 0.36 and 0.9 is

Practice Problems on H.C.F and L.C.M – L.C.M of two prime numbers x and y (x>y) is 161. The value of 3y-x is :

Practice Problems on H.C.F and L.C.M – The H.C.F and L.C.M of two numbers are 11 and 385 respectively. If one number lies between 75 and 125 , then that number is

Practice Problems on H.C.F and L.C.M – The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs 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 – Find the Greatest Number that will devide 43, 91  and 183  so as to leave the same remainder in each case

Practice Problems on H.C.F and L.C.M – H.C.F of 4 x 27 x 3125,  8 x 9 x 25 x 7  and   16 x 81 x 5 x 11 x 49 is

Practice Problems on H.C.F and L.C.M – The greatest possible length which can be used to measure exactly the length 7m, 3m 85cm, 12 m 95 cm is

Practice Problems on H.C.F and L.C.M – Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ?