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Standard XII

Mathematics

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Speed of Lee'...

Question

Speed of Lee's car is 2 times the speed of Kimberly's car. Find the speed of Lee's car in Lap II and Lap III.

10, 16

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12, 10

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10, 12

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16, 10

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Solution

The correct option is A 10, 16
$Speed of = 2 \times speed of$
Lee's car (L) Kimberly's car (K)
$or, L = 2 \times K$

In Lap II,
L = 2 x 5 = 10

In Lap III,
L = 2 x 8 = 16

Hence, the speed of Lee's car in Lap II and Lap III will be 10 and 16 respectively.

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Speed of Lee's car is 2 times the speed of Kimberly's car. Find the speed of Lee's car in Lap II and Lap III.

The correct option is A 10, 16Speed of = 2× speed of Lee's car (L) Kimberly's car (K) or, L = 2×K In Lap II, L = 2 x 5 = 10 In Lap III, L = 2 x 8 = 16 Hence, the speed of Lee's car in Lap II and Lap III will be 10 and 16 respectively.

The correct option is A 10, 16
$Speed of = 2 \times speed of$
Lee's car (L) Kimberly's car (K)
$or, L = 2 \times K$

In Lap II,
L = 2 x 5 = 10

In Lap III,
L = 2 x 8 = 16

Hence, the speed of Lee's car in Lap II and Lap III will be 10 and 16 respectively.