the ratio of 2 numbers is 1 : 2 and their h . c . f . is 10 . their l . c . m . is ?
"let the numbers be x and 2 x their h . c . f . = 10 so the numbers are 1 * 10 , 2 * 10 = 10,20 l . c . m . = 20 answer is b"
sqrt(divide(10, add(power(2, 1), add(power(2, 1), power(const_2.0, const_2)))))