NTSE Stage 2 SAT 2014 Question Paper

Question : 51 of 100

Marks: +1, -0

For positive x and y, the LCM is 225 and HCF is 15. There

Solution:

Let numbers are 15x and 15y
Then

15xy=225

⇒

\xy=16

either

x=15

y=1

x=1

y=15

Hence

(x,y)=(1,15)\or(15,1)

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