** Question No : 15**

The length of a rectangle is 18 cm and its breadth is 10 cm. When the length is increased to 25 cm, what will be the breadth of the rectangle if the area remains the same?

7 cm

7.1 cm

7.2 cm

7.3 cm

** Question No : 16**

Area of a Rectangular park is 2400 sq.meter. If length of the park decreases 5 meters the area decreases 20 sq.meters. Perimeter of the park is-

200cm

150cm

180cm

100cm

** Question No : 17**

A rectangular plot measuring 90 metres is to be encloseed by wire fencing. If the poles of the fence are kept 5 metres apart, how many poles will be needed?

55 m

56 m

57 m

58 m

** Question No : 18**

The length of a rectangular plot is 60% more than its breadth. If the diffrent between the length and the breadth of that rectangle is 24 cm, what is the area of the rectangle?

2400 sq.cm

2480 sq.cm

2560 sq.cm

None of these

** Question No : 19**

A rectangular parking space is marked out by painting three of its sides. If the length of the unpainted sides is 9 feet, and the sum of the length of the two painted sides is 37 feet, then what is the area of the parking space in square feet?

46 sq.ft

81 sq.ft

126 sq.ft

252 sq.ft

** Question No : 20**

The diffrence between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m,then its area is:

1520 ${m}^{2}$

2420 ${m}^{2}$

2480 ${m}^{2}$

2520 ${m}^{2}$

** Question No : 21**

The length of a rectangular polt is 20 metres more than its breadth. If the cost fencing the plot Rs.26.50 per metre Rs.5300, what is the length of the plot in metres?

40 m

50 m

120 m

None of these