Time and Distance Practice Test 1 with solutions

Question : 36 of 40

Marks: +1, -0

Samir is travelling on his cycle and has calculated to reach point A at 2 P.M., if he trvels at 10 km/hr.; he will reach there at 12 noon if he travels at 15 km/h. At what speed must he travel to reach A at 1 P.M.?

14 km/hr
12 km/hr
11 km/hr
8 km/hr

Validate

Solution:

Let x km be the distance of destination, then

x/{10}-x/{15}

= 2
⇒

x/{30}

= 2
∴ x = 60 km
When speed is 10 km/hr, then time =

{60}/{10}

= 6 hr
Required speed =

{60}/5

= 12 km/hr

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