(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) The present ages of three persons in proportions 4 : 7 : 9. Eight years ago, the sum of their ages was 56. Find their present ages (in years).

A. 8, 20, 28    
B. 16, 28, 36
C. 20, 35, 45    
D. None of these
E. Cannot be determined

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4) The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?

A. 23 years    
B. 24 years
C. 25 years    
D. None of these
E. Cannot be determined

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5) From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there on the committee. In how many ways can it be done?

A. 564    
B. 645
C. 735    
D. 756
E. None of these

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