Question

if a and b vary inversely to each other, then find the value of P, Q, R and S? a 6 8 Q 25 S b 18 P 39 R 3



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Answer 1

Answer:

If a and b vary inversely to each other.

i.e. ab = k(constant)

For table (a),

a 6 8 Q 25 S b 18 p 39 R 3

If a = 6 and b = 18

Then, a

a×b=6×18⇒ k = 108

When a = 8 and b = p, then

ab = k

⇒ 8×p = 108

27

⇒p= _____

2

When a = q and b = 39, then

ab = k

∴ q× 39 = 108

108 36 2

⇒q= _____=______=______

39 13 1

When a = 25 and b = r, then

ab = k

⇒ 25 × r = 108

108

⇒r= _____

25

Step-by-step explanation:

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Answer 2

Answer:

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