Question

In the following table , a and b vary inversely .What can be the value of y and z ?

1 point



y = 10 , z = 4

y= 10 , z = 16

y = 5 , z = 10


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Answer 1

Answer:

Option A) y = 10, z = 4

Step-by-step explanation:

It is given that a ∝ $\frac{1}{b}$

Let's introduce a constant 'k' in this proportionality.

∴ a = $\frac{k}{b}$

∴ k = ab

One set of values of and b is given as 15 and 8 respectively.

∴ k = 15 * 8 = 120

Now, k = 12y = 120

∴ y = 10

Similarly, k = 30z = 120

∴ z = 4

Hence, y = 10, z = 4

∴ Option A

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