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rakeshrajagopal
- Junior | Next Rank: 30 Posts
- Posts: 17
- Joined: Tue Jun 15, 2010 8:07 am
- Location: Kerala, India
Hi All,
I have few more questions to which I am not able to find a solution.
1. A photographer will arrange 6 people of 6 different heights for photograph by placing them in two rows of three so that each person in the 1st row is standing in fron t of someone in the second row. The heights of the people within each row must increase from left to right, and each person in the second row must be taller than the person standing in front of him or her. How many such arrangements of teh people are possible?
Choice of Answers - 5,6,9,24,36
2. On saturday morning malachi will begin a camping vacation and he will return home at the end of teh first day on which it rains. If on the first three days of the vacation the probability of rain on each day is .2, what is the probability that malachi will return home at the end of the day on the following monday?
Choice of Answers - .008, .0128, .488, .512, .640
3. The population of city x is 50% of the population of city y. The population of city x is what % of teh total population of city x & city y?
Choice of answers - 25%, 33 1/3%, 40%, 50%, 66 2/3%
4. The points R,T,U lie on a circle that has radius 4. If the length of arc RTU is 4pi/3, what is the length of line segment RU?
Choice of answers - 4/3, 8/3, 3,4,6.
5. A certain list consists of 21 different numbers. If n is in the list and n is 4 times the average(arithmetic mean) of teh other 20 numbers in the list, then n is what fraction of the sum of the numbers in the list?
Choice of answers - 1/20, 1/6, 1/5, 4/21, 5/21.
6. For any integer k greater than 1, the symbol k^* denotes the product of all the fractions of the form 1/t, where t is an integer between 1 and k, inclusive. What is the value of 5^*/4^*?
Choice of answers - 5, 5/4,4/5,1/4,1/5.
7. One gram of a certain health food contains 7% of teh minimum daily requirement of vitamin E and 3% of the minimum daily requirement of vitamin A. If E&A are to be obtained from no other source, approximately how many grams of the health food must be eaten daily to provide at least the minimum daily requirement of both vitamins?
Choice of answers - 3,7,10,14,33.
Cheers
Rakesh
I have few more questions to which I am not able to find a solution.
1. A photographer will arrange 6 people of 6 different heights for photograph by placing them in two rows of three so that each person in the 1st row is standing in fron t of someone in the second row. The heights of the people within each row must increase from left to right, and each person in the second row must be taller than the person standing in front of him or her. How many such arrangements of teh people are possible?
Choice of Answers - 5,6,9,24,36
2. On saturday morning malachi will begin a camping vacation and he will return home at the end of teh first day on which it rains. If on the first three days of the vacation the probability of rain on each day is .2, what is the probability that malachi will return home at the end of the day on the following monday?
Choice of Answers - .008, .0128, .488, .512, .640
3. The population of city x is 50% of the population of city y. The population of city x is what % of teh total population of city x & city y?
Choice of answers - 25%, 33 1/3%, 40%, 50%, 66 2/3%
4. The points R,T,U lie on a circle that has radius 4. If the length of arc RTU is 4pi/3, what is the length of line segment RU?
Choice of answers - 4/3, 8/3, 3,4,6.
5. A certain list consists of 21 different numbers. If n is in the list and n is 4 times the average(arithmetic mean) of teh other 20 numbers in the list, then n is what fraction of the sum of the numbers in the list?
Choice of answers - 1/20, 1/6, 1/5, 4/21, 5/21.
6. For any integer k greater than 1, the symbol k^* denotes the product of all the fractions of the form 1/t, where t is an integer between 1 and k, inclusive. What is the value of 5^*/4^*?
Choice of answers - 5, 5/4,4/5,1/4,1/5.
7. One gram of a certain health food contains 7% of teh minimum daily requirement of vitamin E and 3% of the minimum daily requirement of vitamin A. If E&A are to be obtained from no other source, approximately how many grams of the health food must be eaten daily to provide at least the minimum daily requirement of both vitamins?
Choice of answers - 3,7,10,14,33.
Cheers
Rakesh












