2756: A car runs at a speed of 40 km per hour during the first half of the journey and at a speed of 60 km per hour during the second half of the journey. The average speed of the car is:
(a) 48 kmph
(b) 50 kmph
(c) 52 kmph
(d) 54 kmph
2757: At which one of the following positions shown in the diagram will the height of the ocean tide be maximum ?
(a) M,1
(b) M,2
(c) M,3
(d) M,4
2758: In which one of the following States is Pakhui Wildlife Sanctuary located?
(a) Arunachal Pradesh
(b) Manipur
(c) Meghalaya
(d) Nagaland
2759: The working principle of a washing machine is
(a) centrifugation
(b) dialysis
(c) reverse osmosis
(d) diffusion
2760: The concept of Public Interest Litigation originated in
(a) the United Kingdom
(b) Australia
(c) United States
(d) Canada