Latest Microsoft Aptitude Question SOLUTION: Ram was travailing back from his friend house in his old ambassador. he could only travel along at a steady 30 miles per hr and managed a paltry 20 miles per litere of fuel. at the

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Ram was travailing back from his friend house in his old ambassador. he could only travel along at a steady 30 miles per hr and managed a paltry 20 miles per litere of fuel. at the start of the journey he has placed exactly 10 litre of fuel into a tank. He knew though that the fuel tank lost fuel at the rate of half a liter per hhour. As ram arrived home the car stopped because it had run out of a fuel and h only just made it. How far was his friends house from rams.
a.200 b.150 c.210 d170

Asked In Microsoft aravind (10 years ago)

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Hitesh Sharma  (10 years ago)

b. 150

.5 lt fuel lost in one hour and the steady speed is 30 mph if car runs for 5 hour it covers 150 m and also 2.5 lt fuel will be lost total fuel remains is 7.5 lt if we multiple 7.5 into 20 (i.e. fuel consumtion per hour ) then it becomes 150 only

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swathi mundru  (7 years ago)

if travelling 20 miles requires 1 ltr ==>30 miles requires 3/2 ltrs
he travels 30 miles in 1hr ==> so for 1 hr he requires 3/2 ltrs +(loss in the fuel tank per hour)
that is for 1 hr fuel required
=3/2+1/2
=2 ltrs
so a 10 ltr fuel tank canbe emptied in 5 hrs
since he travels 30 miles/hr; in 5 hrs he travels 150 miles

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dipanwita Bishnu  (9 years ago)

Total fuel 10 lit
To lost this fuel time required = 10/0.5 = 5 hr
So distance = 30 * 5 = 150 mil

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Seth  (6 years ago)

For one hour old ambassador consumes 1.5 liter along with it 0.5 liter is being lost for each hour. So per hour in total 2 liters of fuel is being emptied and the ambassador travels 30 miles. 10 liters at a rate of 2 liters per hour will be sufficient for 5 hours. At 30 miles per hour, for 5 hour it can travel 150 miles which is the final solution.

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