Question
Which type of malware locks users out of their systems
and demands payment to restore access?Solution
The correct answer is C
There are 14 boys and 6 girls giving interview for a job. If three of them are selected, then what is the probability that one of the three is a girl an...
Ten tickets numbered 1 to 15 are placed in a box, mixed up thoroughly and then one ticket is drawn randomly. If it is known that the number on the drawn...
- 25 defective watches got mixed with 175 non-defective watches. A buyer purchases one watch. What is the probability that the watch is defective?
A bag has balls of three colours. It has 8 red balls, x green balls and y blue balls, If probability of picking one green ball and that of picking one b...
A bag holds 12 pink balls and 13 white balls. If two balls are randomly drawn from the bag, what is the probability that the two balls are of different ...
Bag A contains 4 blue and 5 green balls, while Bag B contains 6 blue and 10 red balls. If one ball is drawn from bag 'A' and bag 'B', respectively, at r...
A bag contains 4 red, 3 blue and 5 green balls (all identical in all respects except colour). One ball is drawn at random. What is the probability that ...
In a box there are 6 red, 12 blue, and 18 yellow cards. One card is picked up randomly. What is the probability that it is neither red nor yellow?
A bag contains cards which are numbered from 2 to 90. A card is drawn at random from the bag. Find the probability that the card number is a perfect squ...
A box contains 4 red, 5 blue and 3 green balls. Two balls are drawn at random without replacement. Find the probability that both balls are of the same ...