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प्रश्न
Manoj had made a new house. He wants to lay tiles on the floor. The size of the room is 9 feet × 12 feet. In the market, there are three kinds of square tiles: 1 foot × 1 foot, 2 feet × 2 feet and 3 feet × 3 feet. Which size of tile should he buy for his room, so that he can lay it without cutting?
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उत्तर
2 is not a factor of 9 feet which is the width of the room.
1 and 3 are factors of both 9 and 12.
Hence, Manoj can buy tiles of 1 foot × 1 foot or 3 feet × 3 feet.
These tiles can be laid without cutting.
संबंधित प्रश्न
Find whether the following number is divisible by 4: 532
Find whether the following number is divisible by 8: 92760
Find whether the following number is divisible by 3: 92349
Find whether the following number is divisible by 15: 960
In the following number, replace M by the smallest number to make resulting number divisible by 3: 46M46
In the following number, replace M by the smallest number to make resulting number divisible by 11: 70975M
State if the following number is even or odd.
37
Is 173 a prime? Why?
Complete the multiplication chart given here.
Look at the green boxes in the chart. These show how we can get 12 by multiplying different numbers.
12 = 4 × 3, so 12 is a multiple of both 4 and 3. 12 is also a multiple of 6 and 2, as well as 12 and 1. We say 1, 2, 3, 4, 6, 12 are factors of 12.
Write all the factors of the following number.
15
