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Q.

Write the factors of 120 as pairs.


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a

1,1202,503,404,605,306,208,3410,22

b

1,602,803,504,905,206,258,6010,12

c

1,1202,603,404,305,246,208,1510,12

d

1,502,80(3,60)(4,60)(5,34)(6,120)(8,24)(10,20)  

answer is C.

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Detailed Solution

Now, we find the prime factors of 120.
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Hence, 120 can be written as follows:
120=2×2×2×3×5

Now, we can multiply the factors, to form pairs.
1×120=120
2×60=120
3×40=120
4×30=120
5×24=120
6×20=120
8×15=120
10×12=120

Hence, the factors of the 120 in pairs are : (1, 120), (2, 60), (3, 40), (4, 30), (5, 24), (6, 20) (8,15), and (10, 12).
 
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Write the factors of 120 as pairs.