CTS Company Numerical Ability Probability

A fair coin is toss repeatedly. If head appears on first 4 tosses then what is probability of appearance of tail in fifth toss-
a) 1/5
b) 2/5
c) ½
d) 4/5
e) None

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CTS Other Question
An orange vendor makes a profit of 20% by selling oranges at certain price. If he charges Rs. 1.2 higher per orange he would gain 40%. Find the original price at which he sold an orange.
a) RS. 5.6
b) Rs. 7.2
c) Rs. 4.8
d) Rs. 8
e) None of these Walking at ¾ of his usual speed a man is 16 min late for his office. the usual time taken by him to cover that distance is
a) 48 minutes
b) 60 minutes
c) 42 minutes
d) 62 minutes
e) None