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91) How many such pairs of letters are there in the word DOLPHIN (in both the forward and backward directions) which have as many letters between them in the word as there are in the English alphabetical order?
A) None
B) Four
C) Two
D) Three
92) There are four people sitting in a room. When asked a question, each of them gives two answers. Only two out of the four people give one right answer and one wrong answer, while other two persons give both answers wrong. When asked about the day today, person I says its Wednesday or Sunday. Person 2 says its Monday or Saturday. Person 3 says its Tuesday or Friday. And person 4 says its Thursday or Wednesday. What is the day today?
A) Sunday
B) Saturday
C) Friday
D) Wednesday
93) With respect to memory, what is the full form of USB?
A) Universal Service Bus
B) Unique Serial Bus
C) Universal Serial Bus
D) Unique Service Bus
94) The mean of a certain number of observations is 12. If one observation is removed and the mean remains unaltered, then the removed observation is:
A) 12
B) 11
C) 13
D) 10
95) If x =
then the value of (x-7)2 is
A) 48
B) 2√3
C) 4√3
D) 24