Q: Find the smallest number which should be added to the smallest number divisible by 6, 9 and 15 to make it a perfect square.
A.
10
B.
9
C.
19
D.
21
Correct Answer:
Option A - LCM of 6, 9 and 15 = 90
From given number 10 is only smallest number
Which should be added to make it a perfect square.
Then,
90 +10 = 100
Number 100 is a perfect square number.
A. LCM of 6, 9 and 15 = 90
From given number 10 is only smallest number
Which should be added to make it a perfect square.
Then,
90 +10 = 100
Number 100 is a perfect square number.
Explanations:
LCM of 6, 9 and 15 = 90
From given number 10 is only smallest number
Which should be added to make it a perfect square.
Then,
90 +10 = 100
Number 100 is a perfect square number.
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