Problems on H.C.F and L.C.M Find the greatest possible length which can be used to measure exactly the length 4 m 95 cm . , 9 m and 16 m 65 cm. 42 cm. 45 cm. 35 cm 55 cm. 42 cm. 45 cm. 35 cm 55 cm. 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? 3603 7203 4803 2403 3603 7203 4803 2403 ANSWER DOWNLOAD EXAMIANS APP
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 10, 20, 30 4, 8, 12 5, 10, 15 12, 24, 36 10, 20, 30 4, 8, 12 5, 10, 15 12, 24, 36 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M The product of the L.C.M. and H.C.F. of two numbers is 24. The difference of two numbers is 2. Find the numbers. 6 and 4 2 and 4 8 and 6 8 and 10 6 and 4 2 and 4 8 and 6 8 and 10 ANSWER DOWNLOAD EXAMIANS APP
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 ? 420 630 540 770 420 630 540 770 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 Four bells begin to toll together respectively at the intervals of 8, 10, 12 and 16 seconds. After how many seconds will they toll together again? 242 seconds 246 seconds 240 seconds 243 seconds 242 seconds 246 seconds 240 seconds 243 seconds ANSWER DOWNLOAD EXAMIANS APP
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