Question

the ratio between two numbers is 9 : 11 of their sum is 40 what is the product

Answer 1

let the numbers be 9x and 11x
so,
9x+11x = 40
20x = 40
x = 40/20
x = 2
now,
9x×11x = 99x² = 99(2)² = 99×4 = 396
so,
product of these numbers is 396.

Answer 2

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