Problems on H.C.F and L.C.M Find the greatest number which on dividing 1661 and 2045, leaves a reminder of 10 and 13 respectively 133 131 127 129 133 131 127 129 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In this type of question, its obvious we need to calculate the HCF, trick isHCF of (1661 - 10) and (2045 -13)= HCF (1651, 2032) = 127
Problems on H.C.F and L.C.M Find the L.C.M of 2/15, 3/10, 6/5 6/5 7/5 8/5 2/3 6/5 7/5 8/5 2/3 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M Least perfect square number, exactly divisible by 21, 36 and 56 is? 3600 504 441 7056 3600 504 441 7056 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M The greatest number that exactly divided 105, 1001 and 2436 is 11 7 21 3 11 7 21 3 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M Find the least number which when divided by 5,6,7, and 8 leaves a remainder 3, but when divided by 9 leaves no remainder . 1683 2683 4683 3683 1683 2683 4683 3683 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP L.C.M. of 5,6,7,8 = 840. Required number is of the form 840k + 3 Least value of k for which (840k + 3) is divisible by 9 is k = 2. Required number = (840 X 2 + 3)=1683
Problems on H.C.F and L.C.M The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is: 40 10 20 30 40 10 20 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 2x and 3x.Then, their L.C.M. = 6x.So, 6x = 48 or x = 8The numbers are 16 and 24.Hence, required sum = (16 + 24) = 40.