Both x and y vary directly with each other and when x = 20, y = 28. Wh

1.	Both x and y vary directly with each other and when x = 20, y = 28. Which of the following is not a possible pair of corresponding values?1. 25 ∶ 35 2. 35 ∶ 253. 35 ∶ 494. 15 ∶ 21
Answer» Correct Answer - Option 2 : 35 ∶ 25 Given: Both x and y vary directly with each other and when x = 20, y = 28. Concept Used: Concept of ratio and proportion Calculation: Both x and y vary directly with each other and when x = 20, y = 28 That means x and y are directly proportional The ratio of x and y is x : y = 20 : 28 ⇒ x : y = 5 : 7 Now from the given options get, 25 : 35 ⇒ 5 : 7 35 : 25 ⇒ 7 : 5 35 : 49 ⇒ 5 : 7 15 : 21 ⇒ 5 : 7 Except the 2nd option all are in similar form that means our required answer is the 2nd option i.e. 35 : 25 ∴ 35 : 25 is not a possible pair of corresponding values.

Both x and y vary directly with each other and when x = 20, y = 28. Which of the following is not a possible pair of corresponding values?1. 25 ∶ 35 2. 35 ∶ 253. 35 ∶ 494. 15 ∶ 21

Answer» Correct Answer - Option 2 : 35 ∶ 25

Given:

Both x and y vary directly with each other and when x = 20, y = 28.

Concept Used:

Concept of ratio and proportion

Calculation:

Both x and y vary directly with each other and when x = 20, y = 28

That means x and y are directly proportional

The ratio of x and y is x : y = 20 : 28

⇒ x : y = 5 : 7

Now from the given options get,

25 : 35 ⇒ 5 : 7

35 : 25 ⇒ 7 : 5

35 : 49 ⇒ 5 : 7

15 : 21 ⇒ 5 : 7

Except the 2nd option all are in similar form that means our required answer is the 2nd option i.e. 35 : 25

∴ 35 : 25 is not a possible pair of corresponding values.

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