Related Questions

In a annutal behavior experiment , 50 tagged white pigeons and 200 tagged gray pigeons were released from a laboratory. Within one week, 88 percent of the white pigeons and 80.5 percent of the gray pigeons had returned to the laboratory. what percent of the total number of piegens returned to the laboratory?
A 80.5%
B 82.5%
C 82%
D 85%
A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory . There are 100 seniors, 150 juniors and 200 sophomres who applied. Each senior's junior's name , 2 times; and each sophomres who applied. Each senior's name is placed in the lottery 3 times; each junior's name ,2 times name, 2 times ; and each sphomore's name , 1 time . What is the probability that a senior's name will be chosen?
A 18
B 38
C 48 
D 28
Out of eight crew members three particular members can sit only on the left side. Another two particular members can sit only on the right side. Find the number of ways in which the crew can be arranged so that four men can sit on each side.
A 864
B 863
C 865
D 1728
Which program is used to schedule particular jobs or programs at particular times on the system?
A vi
B Outlook
C Scheduler
D cron
E None of the above
Which of the following selector matches a particular element only when it lies inside a particular element?
A The Type Selector
B The Universal Selector
C The Descendant Selector
D The Class Selector
Karim's school is 10 kms form his home. From there he travels 4 kms to get to his friend's house and then travels 3 kms to get to the cricket ground . If he is then x miles from home, what is the range of possible value of x?
A 3⩽x⩽12
B 3⩽x⩽17
C 3⩽x⩽10
D 3⩽x⩽14
The name of one particular person, thing or place is called:
A A collective noun
B A metarial noun
C A proper noun
D A common noun
The _____________ attribute is used to define the name(s) of the class(es) to which a particular tag belongs.
A class
B element
C id
D none of the mentioned
A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory. There are 100 seniors, 150 juniors, and 200 sophomores who applied. Each senior's name is placed in the lottery 3 times, each junior's name, 2 times, and each sophomore's, 1 time. What is the probability that a senior's name will be chosen?
A 1/8
B 2/9
C 2/7
D 3/8
Give me a telephone number to ring_____ I get get lost.
A in case
B wheather
C unless
D perhaps

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