A rectangular. carpet has an area of 240 sq.cm. If its diagonal and the longer side are together equal to five times the shorter side; the length of the carpet is
(1) 10 cm
(2) 24 cm
(3) 26 cm
(4) 27.5 cm
A train crosses a pole in 15 seconds while a 100 metre long platform in 25 seconds. What is the length of the train?
(1) 125 m
(2) 135 m
(3) 150 m
(4) 175 m
