91: 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
92: Which one of the following airports in India is the first to be owned by a public limited company?
(a) Cochin airport
(b) Bangalore airport
(c) Hyderabad airport
(d) Dabolin Airport, Goa
93: The release of which one of the following into ponds and wells helps in controlling the mosquitoes?
(a) Gambusia fish
(b) Snail
(c) Crab
(d) Dogfish
94: Which of the following is/are treated as artificial currency ?
(a) ADR
(b) SDR
(c) GDR
(d) Both ADR and SDR
95: 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