Given:
Numbers given for divisibility: 5, 10, 49, and 28.
Formula Used:
Smallest number divisible by multiple numbers is their Least Common Multiple (LCM).
Solution:
5 = 5
10 = 2 × 5
49 = 72
28 = 2 × 2 × 7
LCM includes the highest power of all prime factors:
LCM = 22 × 5 × 72 = 20 × 49 = 980
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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 :
The largest four-digit number which when divided by 9, 18 and 23, leaves a remainder 5 in each case, is:
The LCM of 26, 34, 221 and 195 is:
The LCM of two numbers is 105 and numbers are in ratio 5 : 3. Find sum of numbers.
The LCM of 44, 32, 176 and 352 is:
The LCM of 46, 68, 136 and 138 is:
The LCM of 40, 20, 195 and 160 is:
The LCM of 42, 36, 312 and 126 is:
What is the highest number between 5000 and 5500, which when divided by 12,16 and 24, would leave a remainder 9?
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