1 .
In which one among the following is the speed of sound maximum?
A.  Air at 0C
B.  Air at 100C
C.  Water
D.  Wood
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2 .
A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive and O positive. The blood group of the adopted son is-
A.  O Positive
B.  A positive
C.  B positive
D.  Cannot be determined on the basis of the given data
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3 .
Which one of the following weather conditions is indicated by a sudden fall in barometer reading.
A.  Stormy
B.  Calm weather
C.  Cold and dry weather
D.  Hot and sunny weather
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4 .
Which of these key is not on the number keypad?
A.  Ctrl
B.  Delete
C.  Enter
D.  Num Lock
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5 .
Under Digi-Dhan Vyapar Yojana which of the following medium is/are suitable for the transaction for merchants?
A.  Unstructured Supplementary Service Data (USSD)
B.  Aadhaar Enabled Payment System (AEPS)
C.  Unified Payment Interface (UPI)
D.  All of the above
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6 .
Which one among the following is called philosopher's wool?
A.  Zinc bromide
B.  Zinc nitrate
C.  Zinc oxide
D.  Zinc chloride
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7 .
Which one of the following type of micro organisms is most widely used in industries?
A.  Bacteria
B.  Bacteria and fungi
C.  Bacteria and algae
D.  Bacteria, micro algae and fung
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8 .
Which of the following types is used by computed tomography employed for visualisation of the internal structure of human body?
A.  X-ray
B.  Magnetic waves
C.  Magnetic resonance
D.  Radio isotopes
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9 .
Which country will host Commonwealth Games in 2018?
A.  New Zealand
B.  Australia
C.  Scotland
D.  Malaysia
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10 .
Consider the following pairs:

1. Vitamin C

2. Vitamin D

3. Vitamin E

Which of the pairs given above is/ are correctly matched?
A.  1 and 2
B.  3 only
C.  1, 2 and 3
D.  None of the above
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