In a 800 metre race, A defeated B by 15 seconds. If A's speed was 8 km – McqOptions

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1.	In a 800 metre race, A defeated B by 15 seconds. If A's speed was 8 km/hr, the speed of B was -
A.	$\frac{{16}}{{27}}{\text{ km}}/{\text{hr}}$$
B.	$\frac{{27}}{{16}}{\text{ km}}/{\text{hr}}$$
C.	$7\frac{{17}}{{25}}{\text{ km}}/{\text{hr}}$$
D.	$8\frac{{17}}{{25}}{\text{ km}}/{\text{hr}}$$
Answer» D. $8\frac{{17}}{{25}}{\text{ km}}/{\text{hr}}$$

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