Problems on H.C.F and L.C.M What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ? 630 770 420 540 630 770 420 540 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP L.C.M. of 12, 18, 21, 30 2 | 12 - 18 - 21 - 30 ---------------------------- = 2 x 3 x 2 x 3 x 7 x 5 = 1260. 3 | 6 - 9 - 21 - 15 ---------------------------- Required number = (1260 ÷ 2) | 2 - 3 - 7 - 5 = 630.
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 25 cm 15 cm 42 cm 35 cm 25 cm 15 cm 42 cm 35 cm ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M The greatest number of four digits which is divisible by 15, 24, 40 and 75 is : 9000 9400 9800 9600 9000 9400 9800 9600 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M The greatest number that exactly divided 105, 1001 and 2436 is 21 11 7 3 21 11 7 3 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M A heap of stones can be made up into groups of 21. When made up into groups of 16, 20, 25 and 45 there are 3 stones left in each case. How many stones at least can there be in the heap? 4803 2403 3603 7203 4803 2403 3603 7203 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M LCM of 87 and 145 is: 48 875 435 1305 48 875 435 1305 ANSWER DOWNLOAD EXAMIANS APP
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