Mathematics General Science Test Medium Mode

Sr. #	Questions	Answers Choice
1	A card is drawn from a pack of cards numbered 2 to 53. the probability that the number on the card is prime number less than 20 is	2 / 13 4 / 13 5 / 13 8 / 13
2	Out of 10, 000 families with 4 children each, the number of families all of whose children are daughters is	375 500 625 150
3	A combination lock on a suitcase has 3 wheels each labeled with nine digits from 1 to 9. If an opening combination is a particular sequence of three digits with no repeats, the probability of a person guessing the right combination is	1 / 500 1 / 504 1 / 252 1 / 250
4	A machine operates if all of its three components function. The probability that the first component fails during the year is 0.14, the second component fails is 0.10 and the third component fails is 0.05. the probability that the machine will fail during the year is	0.2647 0.2692 0.3647 None of these
5	The key for opening a door is in a bunch of 10 keys. A man attempts to open the door by trying the keys at random discarding the wrong key. The probability that the door is opened in the 5th trial is	1 / 10 2 / 10 3 / 10 4 / 10

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