Question

If hcf and lcm of two number are 18 and 360 if one number is 90 find the other number

Answer 1

Solution=>
H.C.F=18
L.C.M=360
one number=90
other number=?
we know that
H.C.F×L.C.M=product of two numbers (a×b)
18×360=90×other number
18×360/90=other number
72=other number
or, other number =72
Answer.......

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Answer 2

Given : HCF of two numbers = 18

LCM of the two numbers = 360

One number = 90


To find : Other number


$\boxed{\boxed{\tt{Solution :- }}}$

We have the information given about HCF, LCM nad one number.

To find the other numbsr, there is one formula to be used.

One number × Other number = HCF × LCM

By putting the respective values

Let the other number be x

90 × x = 18 × 360

➾ 90x = 6480

∴ x = 72


∴ The other number is $\pink{\underline{\pink{\underline{\tt{\red{72}}}}}}$