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-
A.200cm
B.150cm
C.180cm
D.100cm
Answer:A
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-
A.200cm B.150cm C.180cm D.100cm