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Yudhishthir Rankawat

· started a discussion

· 1 Months ago

WORNG Q (Question:566874.0)

10,15,25 LCM 125

Question:
What must be the least number of the students in a group such that they can be arranged in lines of 10, 15 and 25 independently and can also be arranged in a square as a group?
Options:
A) 600
B) 900
C) 3,600 
D) 1,600
Solution:

LCM (10, 15, 25) = 150, we have to find the nearest

multiple of 150 that is a perfect square. Hence, the

nearest such number is 900 which is six times of 150.

900 is also the square of 30.

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