3 numbers are such that their product is perfect square. Set will be

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13 Dec 2010 Perfect square

3 numbers are such that their product is perfect square. Set will be

OPtion

1) 9, 12, 2
2) 15, 12, 9
3) 6, 3, 12
4) 15, 2, 8
5) 9, 8, 3
6) 12, 9, 3
7) 7, 14, 3
8) 12, 10, 6
9) 5, 15, 2
10) 2, 3, 10

Solution

check that 12*9*3 = 9*12*3 = 9*36 = perfect square

Correct Option: 6 Best Solution (21)

Dr.Dipin Singh   13 years AGO

12, 9, 3 ... option 6
Product of 12,9,3 will be prfect square as 9 is a perfect square and 12*3=36 is also a perfect square.

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Bimal   13 years AGO

6) 12, 9, 3
as 9 is a perfect square and product of 12 and 3 or 36 is also a perfect square.

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Dolly   13 years AGO

12*9*3=324=18^2

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SUDESHNA SEN   13 years AGO

Of the given options only the set 12,9,3 satisfies the given condition, because 12*9*3= 324= 18^2..... Option 6)

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Mamon Sengupta   13 years AGO

Of the given options only the set 12,9,3 satisfies the given condition, because 12*9*3= 324= 18^2..... Option 6)

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Sudeshna Sengupta   13 years AGO

Of the given options only the set 12,9,3 satisfies the given condition, because 12*9*3= 324= 18^2..... Option 6)

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Abhishek Mukherjee   13 years AGO

Of the given options only the set 12,9,3 satisfies the given condition, because 12*9*3= 324= 18^2..... Option 6)

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YadeeshKumar   13 years AGO

12*9*3=324

18 square is 324

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DEEPAK SINGH   13 years AGO

Of the given options only the set 12,9,3 satisfies the given condition, because 12*9*3= 324= 18^2..... Option 6)

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samir    13 years AGO

Of the given options only the set 12,9,3 satisfies the given condition, because 12*9*3= 324= 18^2..... Option 6)

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A.P.Singh   13 years AGO

3 numbers ( 12,9,3) are such that their product(324) is perfect square.

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goutam Choudhury   13 years AGO

Of the given options only the set 12,9,3 satisfies the given condition, because 12*9*3= 324= 18^2..... Option 6)

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Sanathkumar   13 years AGO

on multiplyng those three numbers(12,9,3)we get answer 324 which is the square of 18.

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Rahul Kumar Saini   13 years AGO

Ans:6
12,9,3
dis:12=2*2*3
9=3*3
3=3
there are four 3 and two 2 makes perfect square of 18.

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Prabir Sen   13 years AGO

Of the given options only the set 12,9,3 satisfies the given condition, because 12*9*3= 324= 18^2..... Option 6)

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mohd anas   13 years AGO

because 6*3*12=(2*3)*3*(2*3*3)=(2*2)*(3*3)*(3*3)
now all the pairs are perfect square

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Asheesh Jain   13 years AGO

g.c.d of 12,9,3 is 3 so that we can say that-12*9*3=3^4*2^2.that means square of product =9*2=18,which is a perfect square.

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madhuri   13 years AGO

12*9*3=3^2*9*4=18^2

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Sathish   13 years AGO

12*9*3 = 12*3*3*3=36*9=6^2 * 3^2 -> perfect square

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Gunaseelan   13 years AGO

12*9*3=324=18*18

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pavethra venkatesan   13 years AGO

all are multiple of three

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