2756: A train completes a journey with a few stoppages in between at an average speed of 40 km per hour. If the train had not stopped anywhere, it would have completed the journey at an average speed of 60 km per hour. On an average, how many minutes per hour does the train stop during the journey?
(A) 18 minutes per hour
(B) 15 minutes per hour
(C) 20 minutes per hour
(D) 10 minutes per hour
2757: When one enters a dark room, he is not able to see anything but after some time his vision improves. This is because:
(a) The retina of the eye comes forward
(b) The retina of the eye moves backward
(c) The pupil of the eye contracts
(d) The pupil of the eye dilates
2758: Which one of the following National Highways passes through Maharashtra Chhattisgarh and Orissa ?
(a) NH 4
(b) NH 5
(c) Nh 6
(d) NH 7
2759: The annual agricultural production of a product for the period 1991-92 to 1998-99 is shown in the figure given above
Which one of the following is the product in question ?
(a) Pulses
(b) Wheat
(c) Oilseeds
(d) Rice
2760: A and B are two fixed points in a field. A cyclist C moves such that ACB is always a right angle. In this context, which one of the following statements is correct?
(a) The path followed by the cyclist is an ellipse
(b) The path followed by the cyclist is a circle
(c) The path followed by the cyclist is an exponential curve
(d) This type of motion is not possible