(a) 900
(b) 1200 (c) 2500
(d) 3600
157. The smallest number which is divisible by 12, 15, 20 and is a perfect
square, is
10o
/
7
00
Answers
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Answer:
b). mark as brainlist......
Answered by
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12 = 2 x 2 x 3 15 = 3 x 5 20 = 2 x 2 x 5 So, LCM = 2 x 2 x 3 x 5 = 60 As 3 and 5 are not in pair in LCM’s factor so we need to multiply 60 by 5 and 3 to make it a perfect square. Required Smallest Number = 60 x 3 x 5 = 900.
i hope this answer helps..
mark as a brainliest..
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