Question

Multi-Answer Type(one or more)
11. 4:5 is equivalent to
(B)12:15
(A) 5:6
(C) 8:10
(D) 16:20​

Answer 1

Answer:

option c,d, are correct

Step-by-step explanation:

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Answer 2

Answer: (C) 8:10

Step-by-step explanation :

If you are given a ratio and asked to find an equivalent ratio, it's easy! Here you go!

1. Observe the ratio carefully. See If the numbers are divisible by any same number.

For example : 2:4

According to this ratio both numbers are divisible by 2. So you can find the equivalent fraction by dividing.

2/2 : 4/2

1:2

1:2 is an equivalent fraction to 2:4

2. If the ratio is not divisible by any same number, you can multiply by any same number.

For example : 5:7

This ratio is not divisible by any number. So let's multiply. I chose number 2.

5*2 : 7*2

10 : 14

10 : 14 is an equivalent fraction to 5:7

You can choose any number to multiply but the same number should be used in both sides

Now let's move to your question

4:5

This ratio is not divisible by any number. 4 is divisible by 2 but 5 is not divisible by 2.

So let's multiply.

Let's take 2 as it is the smallest and easiest to multiply

4*2 : 5*2

8 : 10

You have this answer in your question. So you can choose (C)

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