The LCM of 42, 36, 312 and 126 is:
Formula Used:
LCM = The smallest number that is a multiple of all given numbers.
Solution:
Prime factorization of 42 = 2 × 3 × 7
Prime factorization of 36 =
Prime factorization of 312 = × 3 × 13
Prime factorization of 126 = 2 × × 7
LCM = × 7 × 13 = 8 × 9 × 7 × 13 = 6552
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60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 Mins EnglishFind the smallest number which when increased by 20 is completely divisible by 12, 20, 15, 18 and 24.
Three bells start ringing after interval of 20 minutes, 25 minutes and 40 minutes. They ring simultaneously at 8:00 am. They will ring simultaneously again at
Three bells start ringing after interval of 20 minutes, 25 minutes and 40 minutes. They ringsimultaneously at 8: 00 am. They will ring simultaneously again at :
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