31.Which one of the following is the primary source of energy in India?
 A. Hydro Power
 B. Natural Gas
 C. Coal
 D. Naptha
 
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32.DRDL stands for:
 A. Defence Research and Development Laboratory
 B. Department of Research and Development Laboratory
 C. Differential Research and Documentation Laboratory
 D. None of the above
 
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33.What is the three digit number which is 2 more than a perfect square and 2 less than a perfect cube?
 A. 627
 B. 402
 C. 123
 D. None of the above
 
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34.pH value of pure water is:
 A. Less than 7
 B. More than 7
 C. Equal to 7
 D. Equal to 0
 
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35.Protium, Deutrium and tritium are all forms of which element?
 A. Hydrogen
 B. Helium
 C. Iron
 D. Carbon
 
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36.If BEFORE is coded as FEBERO then JUNGLE is coded as:
 A. NUJELG
 B. NUEJLG
 C. JFLGNU
 D. NUEJGL
 
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37.Tulsidas was a contemporary of:
 A. Akbar
 B. Jahangir
 C. Shahjahan
 D. Aurangzeb
 
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38.The International Day for Biological Diversity was observed on:
 A. 4th June
 B. 22nd May
 C. 24th April
 D. None of the above
 
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39.The person who become the first Indian to Circumnavigate-Globe Solo and non - stop on sail boat:
 A. Hari Ram Kumar
 B. Lt. Cdr. Abhilash Tomy
 C. Lt. Ramadose
 D. None of the above
 
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40.Which of the following number is not a perfect cube?
 A. 64 (
 B. 216
 C. 243
 D. 1728
 
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