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4. a box contains 16 balls of 4 different colors green blue yellow &red 4 each. if
you were to close your eyes and pick them at random , how many marbles must
you take out to be sure that there at least two of one colour among the marbles
picked out.
A. 4 b. 5 c. 6 d. 14 ans.d
5. if 8 tyres were used on a bus (6 tyres ) which has traveled 16000 km , how
many km did each tyre sustain .if all the tyres were used equally in sustaining this
distance .
a. 2000 b.16000 c.12000 d.10000 ans.c
6. a company purchased 3 computer tables in 1995. as the company wanted to
renovate the office , sold those tables at RS.2400 each making a profit of 20% of
one , no profit on second table and 20%loss on third table. What is the company
get in this transaction.
A. no loss no profit b.RS.200 loss c.RS.800profit d. RS.400 loss ans.b
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A� partly true or follows logically.
B� partly untrue or opposite follows logically .
C� can't say anything
The big economic difference between nuclear and fossil fueled power stations is
that the nuclear reactors are more expensive to build and decommission, but
cheaper to run. So disputes over relatively of the two systems revolved not just
around the prizes of coal and uranium today and tomorrow, but also around the
way in which the future income should be compared with income.
7. the main difference between nuclear and fossil fueled is an economic one.
A B C
8. the price of coal is not relevant to discussions to about the efficiency of nuclear
reactors.
A B C
9. if nuclear reactors were cheaper to build and decommission than fossil fueled
power stations, they could definitely have economic advantage.
A B C
At any given moment are being bombarded by physical and psychological stimuli
computing for one attention. Although our eyes are capable of handling more
than 5 millions of data per sec, our brains are capable of interpreting only about
500 bits per sec. with similar disparities between other senses and brain it is
easy to see that select visual, auditory or tactile stimuli that we wish to compute
at any specific time.
10.physical stimuli usually win the competition for our attention.
A B C
11.the capacity of human brain is sufficient to interpret nearly all the stimuli the
senses can register under optimum condition.
A B C
12.eyes are able to hope with greater input of information than ears.
A B C
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