A covers $8 k i l o m e t r e s$ in $2 h o u r s$ . B covers $10 k i l o m e t r e s$ in $2 h o u r s$ . Which of the following option(s) is correct for this case?

Speed of A is greater than B.

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Speed of B is greater than A.

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Speed of A is

4 k m / h r .

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Speed of B is

5 k m / h r .

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Solution

The correct options are
B Speed of B is greater than A.
C Speed of A is $4 k m / h r .$
D Speed of B is $5 k m / h r .$
Given:
For A: $d i s t a n c e = 8 k i l o m e t r e s$ , $t i m e = 2 h o u r s$ .
For B: $d i s t a n c e = 10 k i l o m e t r e s$ , $t i m e = 2 h o u r s$ .
Since $s p e e d = \frac{d i s t a n c e}{t i m e}$
For A:
$s p e e d = \frac{d i s t a n c e}{t i m e} = \frac{8}{2} = 4 k m / h r$
For B:
$s p e e d = \frac{d i s t a n c e}{t i m e} = \frac{10}{2} = 5 k m / h r$
Speed of B is greater than A.

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