4296: Municipal water in India is generally treated with:
(a) Chlorine
(b) Potassium permanganate
(c) Sodium Chloride
(d) Sodium Carbonate
4297: Daily weather map showing isobars is an example of
(a) Choropleth map
(b) Isopleth map
(c) Chorochromatic map
(d) Choroschematic map
4298: Out of a total of 120 musicians in a club, 5 percent can play all the three instruments-guitar, violin and flute. It so happens that the number of musicians who can play any two and only two of the above instruments is 30. The number of musicians who can play the guitar alone is 40. What is the total number of those who can play violin alone or flute alone ?
(a) 45
(b) 44
(c) 38
(d) 30
4299: Which one of the following is paramagnetic in nature ?
(a) Iron
(b) Hydrogen
(c) Oxygen
(d) Nitrogen
4300: Which of the following pairs is correctly matched ?
(a) Dewan-i-bandagani : Tughlaq
(b) Dewan-i-Mustakhraj : Balban
(c) Dewan-i-Kohi : Alauddin Khilji
(d) Dewan-i-Arz : Muhammad Tughlaq