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

1) In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there?

A. 50    
B. 100
C. 150    
D. 200
E. None of these

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2) A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is:

A. 720    
B. 900
C. 1200    
D. 1800
E. None of these

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3) Albert invested an amount of Rs. 8000 in a fixed deposit scheme for 2 years at compound interest rate 5 p.c.p.a. How much amount will Albert get on maturity of the fixed deposit?

A. Rs. 8600    
B. Rs. 8620
C. Rs. 8820    
D. Rs. 8870    
E. None of these

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4) A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is:

A. 6 hours    
B. 15 hours
C. 10 hours    
D. 30 hours
E. None of these

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5) A, B, C rent a field. A puts 10 oxen for 7 months, B puts 12 oxen for 5 months and C puts 15 oxen for 3 months for grazing. If the rent of the pasture is Rs. 175, how much must C pay as his share of rent?

A. Rs. 45    
B. Rs. 50
C. Rs. 55    
D. Rs. 60
E. None of these

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