Question

Ratio of two numbers is 1:2 and their sum is 21 numbers are
15 and 6
6 and 16
7 and 14
None of these​

Answer 1

7 and 14

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Answer 2

Answer:

7 and 14

Step-by-step explanation:

let number be x and y

As per question

x/y= 1/2

or y=2x.....(i)

and x+y=21

x+2x=21 [y=2x]

3x=21

x=7

putting x=7 in eqn(i)

therefore y=2×7=14

Alternative method

let two number are x and 2x

and by question

x+2x=21

3x=21

x=7

and 2x=2×7=14

therefore two number are 7 and 14

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