Question

1. The speed of a train is 80 km/hr. It is
) increased to 130 km/hr. Find the percentage increase
(ii) decreased to 65 km/hr. Find the percentage decrease
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Answer 1

Answer:

a. speed of train =80km/hr

then, increase to=130km/hr

so,increase =130km/hr-80km/hr

=50km/hr increase%=increase price /original price ×100 =50/80×100=125/2% or 62.5%