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 4, 8, 12 5, 10, 15 10, 20, 30 12, 24, 36 4, 8, 12 5, 10, 15 10, 20, 30 12, 24, 36 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M A, B and C start running around a circular stadium and complete one round in 27 s, 9 s and 36 s, respectively. In how much time will they meet again at the starting point? 3 minute 48 seconds 4 minute 48 seconds 2 minute 48 seconds 1 minute 48 seconds 3 minute 48 seconds 4 minute 48 seconds 2 minute 48 seconds 1 minute 48 seconds ANSWER EXPLANATION DOWNLOAD EXAMIANS APP LCM of 27, 9 and 36 = 108 So they will meet again at the starting point after 108 sec. i.e., 1 min 48 sec.
Problems on H.C.F and L.C.M Find the least number which when divided by 16, 18, 20 and 25 leaves 4 as remainder in each case, but when divided by 7 leaves no remainder. 18004 17004 18002 18000 18004 17004 18002 18000 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M A, B and C start at the same time in the direction to run around a circular stadium. A completes a round in 252 seconds and C in 198 seconds, all starting at the same point. after what time will they 46 minutes 12 econds 45 minutes 42 minutes 36 econds 26 minutes 18 econds 46 minutes 12 econds 45 minutes 42 minutes 36 econds 26 minutes 18 econds ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M A rectangular courtyard 3.78 metres long and 2.25 metres wide is to be paved exactly with square title, all of the same size. What is the largest size of the tile which could be used for the purpose 21 cms None of these 11 cms 42 cms 21 cms None of these 11 cms 42 cms ANSWER DOWNLOAD EXAMIANS APP
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 9 13 7 4 9 13 7 4 ANSWER DOWNLOAD EXAMIANS APP
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