Problems on H.C.F and L.C.M LCM of 18 and 27 is: 89 54 91 85 89 54 91 85 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M The traffic lights at three different road crossings change after every 48 sec., 72 sec and 108 sec.respectively .If they all change simultaneously at 8:20:00 hours,then at what time they again change 10:13:17 hrs 7:25:14 hrs 9:22:08 hrs 8:27:12 hrs 10:13:17 hrs 7:25:14 hrs 9:22:08 hrs 8:27:12 hrs ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Interval of change = (L.C.M of 48,72,108)sec.=432sec. So, the lights will agin change simultaneously after every 432 seconds i.e,7 min.12sec Hence , next simultaneous change will take place at 8:27:12 hrs.
Problems on H.C.F and L.C.M Find the greatest number that will divide 400, 435 and 541 leaving 9, 10 and 14 as remainders respectively 18 19 17 16 18 19 17 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP HCF of (400-9, 435-10, 541-14)HCF of (391, 425, 527) = 17
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 conditions is: 4 6 8 12 4 6 8 12 ANSWER DOWNLOAD EXAMIANS APP
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: 601/55 120/11 55/601 11/120 601/55 120/11 55/601 11/120 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M Let the least number of six digits, which when divided by 4, 6, 10 and 15, leaves in each case the same remainder of 2, be N. The sum of the digits in N is: 4 5 3 6 4 5 3 6 ANSWER DOWNLOAD EXAMIANS APP
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