55. A man collects cigarette stubs and makes one full cigarette with every 8 stubs. If he gets 64 stubs how many full cigarettes can he smoke?

A. 10 
B. 9 
C. 8 
D. 7 

56. A display flashes an alphabet after every 13 seconds . How many times will it flash between 1:57:58 am and 3:20:47 am?

A. 384 
B. 390 
C. 400 
D. 360 

57. A person with some money spends 1/3 for clothes, 1/5 of the remaining for food and 1/4 of the remaining for travel. He is left with Rs100/- . How much did he have with him in the beginning?

A. 200 
B. 250 
C. 300 
D. 400 

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