Directions (Q. 1-5): Solve the following questions -

1) A machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M. while machine P is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will the work (to print one lakh books) be finished ?

A. 11:30 A.M.    
B. 12 noon
C. 12:30 P.M.    
D. 1:00 P.M.
E. None of these

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2) A shopkeeper expects a gain of 22.5% on his cost price. If in a week, his sale was of Rs. 392, what was his profit?

A. Rs. 18.20    
B. Rs. 70
C. Rs. 72    
D. Rs. 88.25
E. None of these

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3) Six years ago, the ratio of the ages of Kunal and Sagar was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. What is Sagar's age at present?

A. 16 years    
B. 18 years
C. 20 years    
D. Cannot be determined
E. None of these

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4) It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the cars is:

A. 2 : 3    
B. 3 : 2
C. 3 : 4    
D. 4 : 3
E. None of these

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5) Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs. 4000 for 2 years at 10% per annum. The sum placed on simple interest is:

A. Rs. 1550    
B. Rs. 1650
C. Rs. 1750    
D. Rs. 2000
E. None of these

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