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### Question 1

Three lights are flashing at regular intervals. They, respectively, flash after 18, 36 and 54 seconds. How many times do they together flash in 1836 seconds?

### Question 2

Which is the least number which must be added to 4196 so that it becomes divisible by 24, 50 and 105?

### Question 3

What is the LCM of ${6/13}$, $3{3/5}$ and ${2/9}$?

### Question 4

Which is the smallest number which when divided by 15, 9 or 16 leaves 9, 3, 10 as the respective remainders?

### Question 5

The HCF of two numbers is 7. The factors of their LCM are 7, 13 and 5. Which is the greater of the two numbers?

This Blog Post/Article "HCF and LCM Quiz Set 002" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

Updated on 2017-06-24.

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