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Question

A person on tour has Rs. 360 for his expenses. If he extends his tour for 4 days, he has to cut down his daily expenses by Rs. 3. Find the original number of days of the tour.

A
24 days
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B
16 days
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C
18 days
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D
20 days
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Solution

The correct option is C 20 days
Let the original duration of the tour be x days
Total expenditure =Rs.360
Expenditure per day =Rs360x
Expenditure per day according to new schedule =360x+4
As per question, 360x360x+4=3
360(x=4x)=3x(x+4)
x2+4x=480
x2+4x480=0
(x+240)(x20)=0
x=20

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