1141: Consider the following statements:
1. A widely used musical scale called diatonic scale has seven frequencies.
2. The frequency of the note Sa- (lk) is 256 Hz and that of Ni- (uh) is 512 Hz.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
1142:
What is the maximum number of different paths that exist between the station A and the station B?
(a) 28
(b) 31
(c) 33
(d) 35
1143: Which of the following chemicals in automobile-exhaust can cause cancer?
(a) Carbon monoxide
(b) Polycyclic hydrocarbons
(c) Lead
(d) Oxides of nitrogen
1144: Hydroponics means:
(a) Cultivation of plants without the use of soil
(b) Detection of sound in water
(c) Animals living in water
(d) A Japanese way of flowering
1145: In the Mahayana Buddhism, the Bodhisattva Avalokitesvara was also known as
(a) Vajrapani
(b) Manjusri
(c) Padmapani
(d) Maitreya