Question

(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​

Answer 1

Answer:

b). mark as brainlist......

Answer 2

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..