3. The ratio between two numbers is 3:4 and their
LCM is 180. The first number is:
(a) 60
(b) 45
(c) is
(d) 20
The numbers would be 3x and 4x
and their LCM will be 12x
so 180/12 is 15
so our first no. will be 3x = 3×15 = 45
therefore option b is correct
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Answer:
let the no be x
their lcm is 12x
1st no equal 3x/12x×180 =45
2nd no = 4x/12x×180=60
therefore 1st no is 45
option "b"is correct option
plzz brainliest answer kr do
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