17. A room is 15 feet long and 12 feet broad. A mat has to placed on the floor of this room leaving
(A) Rs. 378
(B) Rs. 384
(C) Rs. 3890
(D) Rs.3100
18. 2 metres broad pathway is to be constructed around a rectangular plot on the inside. The area of the plot is 96 sq.m. The rate of construction is Rs. 50 per square metre. Find the total cost of the construction?
(A) 2500
(B) 2600
(C)4890
(D) Data inadequate
19. The length of a room is 5.5 m and width is 3.75 m. Find the cost of paving the floor by slabs at the rate of Rs. 800 per sq. metre.
(A) 15,000
(B) 15,590
(C) 15, 600
(D) 16,500
(E) None of these
20. A rectangular plot measuring 90 metres by 50 metres is to be enclosed by wire fencing. If the poles of the fence are kept 5 metres apart, how many poles will be needed?
(A) 45
(B) 56
(C) 58
(D) 60
21. A rectangular parking space is marked out by painting three of its sides. If the length of the unpainted side is 9 feet, and the sum of the lengths of the painted sides is 37 feet, then what is the area of the parking space in square feet?
(A) 47
(B) 79
(C) 126
(D) 170
22. The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot@ Rs.26.50 per metre is Rs. 5300, what is the length of the plot in metres?
(A) 30
(B) 35
(C) 60
(D) 120
(E) None of these
23. The ratio between the length and the perimeter of a rectangular plot is 1 : 3. What is the ratio between the length and breadth of the plot
(A) 3 : 2
(B) 2 : 1
(C) 1 : 2
(D) 2 : 3
24. The length of a rectangular hall is 5 m more than its breadth. The area of the hall is 750 m2. The length of the hall is :
(A) 17
(B) 23.5
(C) 26
(D) 30
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