Interesting Question
Number Theory
Level
pending
Between 1 and 100,how many are both divisible by both 3 and 5?
The answer is 6.
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1 solution
Both 3 and 5 so you will multiply 3 and 5. 3*5=15. Now count the numbers that is divisible by 15 including 15 that is less than 100. They are 15,30,45,60,75,90. They are 6 in all.