Problems on H.C.F and L.C.M Find the least number which when divided by 6,7,8,9, and 12 leave the same remainder 1 each case 505 707 606 404 505 707 606 404 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 | 6 - 7 - 8 - 9 - 12----------------------------- 4 | 2 - 7 - 8 - 3 - 4 --------------------------- 2 | 2 - 7 - 2 - 3 - 1 -------------------------- | 1 - 7 - 1 - 3 - 1 L.C.M = 3 X 2 X 2 X 7 X 2 X 3 = 504.Hence required number = (504 +1) = 505
Problems on H.C.F and L.C.M Five bells first begin to toll together and then at intervals of 5, 10, 15, 20 and 25 seconds respectively. After what interval of time will they toll again together? 5.5 min None 5 min 5.2 min 5.5 min None 5 min 5.2 min ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M The leas number which when divided by 5, 6, 7 and 8 leaves a remainder 3 but when divided by 9 leaves no remainder, is : 3363 1683 2523 1677 3363 1683 2523 1677 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M What is the HCF of 2/3, 4/9 and 6/5 2/45 8/45 7/45 4/15 2/45 8/45 7/45 4/15 ANSWER DOWNLOAD EXAMIANS APP
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: 12 108 84 48 12 108 84 48 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M The greatest number of four digits that have 144 for their HCF is? 9935 9930 9936 9903 9935 9930 9936 9903 ANSWER DOWNLOAD EXAMIANS APP
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