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Question

Samaira writes 6 pages in one hour, Kate writes 12 pages in one hour whereas Maggie writes 8 pages in one hour. They all have to write an equal number of pages in the same time duration. What is the least number of pages that they all have to write equally?


A
96
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B
24
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C
12
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D
48
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Solution

The correct option is B 24

We know that the least number of pages to be written will be found by finding the LCM of the number of pages that they write in an hour.

Samaira writes 6 pages, Kate writes 12 and Maggie writes 8. So finding the LCM of these numbers:

6=2×3

12=2×2×3

8=2×2×2

LCM=2×2×2×3=24.

So they have to write 24 pages each.


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