UGC NET Paper I Solved December 2007 - Part 4

31.       Probability sampling implies:
(A) Stratified Random Sampling       (B) Systematic Random Sampling
(C) Simple Random Sampling          (D) All of the above
Answer: D
32.       Insert the missing number:
36/62, 39/63, 43/61, 48/64, ?
(A) 51/65           (B) 56/60
(C) 54/60           (D) 33/60
Answer: C
33.       At what time between 3 and 4 O’clock will the hands of a watch point in opposite directions?
(A) 40 minutes past three       (B) 45 minutes past three
(C) 50 minutes past three      (D) 55 minutes past three
Answer: C
34.       Mary has three children. What is the probability that none of the three children is a boy?
(A) 1/2    (B) 1/3
(C) 3/4    (D) 1/8
Answer: D
If none of the children are boys, this means that each child must be a girl.
The probability of this happening is ½ x ½ x ½.
The answer is 1/8.
35.       If the radius of a circle is increased by 50 per cent. Its area is increased by:
(A) 125 per cent           (B) 100 per cent
(C) 75 per cent             (D) 50 per cent
Answer: A

36.       CD ROM stands for:
(A) Computer Disk Read Only Memory
(B) Compact Disk Read Over Memory
(C) Compact Disk Read Only Memory
(D) Computer Disk Read Over Memory
Answer: C
37.       The ‘brain’ of a computer which keeps peripherals under its control is called:
(A) Common Power Unit        (B) Common Processing Unit
(C) Central Power Unit           (D) Central Processing Unit
Answer: D
38.       Data can be saved on backing storage medium known as:
(A) Compact Disk Recordable           (B) Computer Disk Rewritable
(C) Compact Disk Rewritable                        (D) Computer Data Rewritable
Answer: C
39.       RAM means:
(A) Random Access Memory             (B) Rigid Access Memory
(C) Rapid Access Memory                 (D) Revolving Access Memory
Answer: A
40.    www represents:
(A) who what and where        (B) weird wide web
(C) word wide web                  (D) world wide web
Answer: D

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