Areas - Data Intensity 2 | Multiple Questions and Answers

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Areas - Data Intensity 2 Multiple Questions and Answers.

21.	The length of a rectangle is increased by 25% and its breadth is decreased by 20%. What is the effect on its area?

	A.	Remains same
	B.	5% decrease
	C.	5% increase
	D.	10% increase

22.	A rectangular lawn of dimensions 80 m * 60 m has two roads each 10 m wide running in the middle of the lawn, one parallel to the length and the other parallel to the breadth. What is the cost of traveling the two roads at Rs.3 per sq m?

	A.	Rs.3600
	B.	Rs.3700
	C.	Rs.3800
	D.	Rs.3900

23.	A rectangular grass field is 75 m * 55 m, it has a path of 2.5 m wide all round it on the outside. Find the area of the path and the cost of constructing it at Rs.2 per sq m?

	A.	675, Rs.1350
	B.	575, Rs.1350
	C.	1350, Rs.675
	D.	None

24.	The length of rectangle is thrice its breadth and its perimeter is 96 m, find the area of the rectangle?

	A.	432 sq m
	B.	356 sq m
	C.	452 sq m
	D.	428 sq m

25.	The area of a square field 3136 sq m, if the length of cost of drawing barbed wire 3 m around the field at the rate of Rs.1.50 per meter. Two gates of 1 m width each are to be left for entrance. What is the total cost?

	A.	Rs.1014
	B.	Rs.1140
	C.	Rs.999
	D.	Rs.1085

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