Question

Time taken to cover a distance by a car and speed of the car said to be in -
(A) Direct variation
(B) inverse variation
(C) Variation
(D) None
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Answer 1

Answer:

Time(t)∝

Speed(s)

1

t=

s

k

∴ts=k

∴k=40×3=120

Now, t=2 hours

∴120=2×s

∴s=60

Answer 2

Step-by-step explanation:

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