Wednesday, May 6, 2009
6th May Gre quats Questions
1. What is the remainder of the following (7^0 + 7^1 + 7^2 + 7^3 + ........ + 7^23)/14 ?
2. If the standard deviation of 21, 22, 23, 24, 27, 28, 29 & 33 is x, then what is the standard deviation of 221, 222, 223, 224, 227, 228, 229 & 233?
3. Given set S = {1,2,3,4,5} and T = {1,2,3,6,8}, let any element chosen from set S be 's' and any element chosen from set T be 't' and let s*t = n. Then in how many answers are possible for n?
4. If y = kx-5 has a x intercept of -10/3, what is the value of k?
5. If x = - 8
Col A: 7X^2 + 3x
Col B: 7(-Cool^2 + 3(-Cool
6. {1 / (2 - sqrt3)} =
7. A vendor was selling an item at certain price then marked it down 20% for spring. During summer again he marked it down 20% from spring price. If the item is sold at the summer price what percent of the original price did he sell for?
8. A person went to market with a red and a green bag and bought 10 carrots & 6 radishes. On the way to home he distributed vegetables into the two bags in such a way that no bag is empty. In how many ways can he do ths?
9. In how many ways, the letters of the word POLLOLOP can be arranged?
10. If 60% children like cats, 70% like dogs and 80% like rabbits then exactly how many children like all three animals?
11. A figure was given, it had a rectangular box in which 16 cylindrical cans, each with radius of 1 inch are placed. If the cans touch adjacent cans and/or the walls of the box. Find the interior area of the bottom of the box?
12. If the rate of inflation was 1000% then what will be the cost of an article two years from now, which costs 6 units of currency now?
A. 666
B. 660
C. 720
D. 726
E. 730
13. At a soccer match, the contractor provided dinner for 24 persons, and fixed the price so as to gain 12.5% upon his total outlay. Three of the players being absent , the remaining 21 paid the fixed price for their dinner, and such the contractor lost one rupee.
What was the charge for the dinner?
14. There is a semi circle and person A takes 2min to walk around the semicircle path, and B takes 1 minute to walk along the diameter
CoL A: Average speed of A
CoL B: Average speed of B
15. 5000+sqrt(6.894*7001.2) is approximate equal to
A. 5200
B. 5700
C. 6000
D. 6500
E. 7000
2. If the standard deviation of 21, 22, 23, 24, 27, 28, 29 & 33 is x, then what is the standard deviation of 221, 222, 223, 224, 227, 228, 229 & 233?
3. Given set S = {1,2,3,4,5} and T = {1,2,3,6,8}, let any element chosen from set S be 's' and any element chosen from set T be 't' and let s*t = n. Then in how many answers are possible for n?
4. If y = kx-5 has a x intercept of -10/3, what is the value of k?
5. If x = - 8
Col A: 7X^2 + 3x
Col B: 7(-Cool^2 + 3(-Cool
6. {1 / (2 - sqrt3)} =
7. A vendor was selling an item at certain price then marked it down 20% for spring. During summer again he marked it down 20% from spring price. If the item is sold at the summer price what percent of the original price did he sell for?
8. A person went to market with a red and a green bag and bought 10 carrots & 6 radishes. On the way to home he distributed vegetables into the two bags in such a way that no bag is empty. In how many ways can he do ths?
9. In how many ways, the letters of the word POLLOLOP can be arranged?
10. If 60% children like cats, 70% like dogs and 80% like rabbits then exactly how many children like all three animals?
11. A figure was given, it had a rectangular box in which 16 cylindrical cans, each with radius of 1 inch are placed. If the cans touch adjacent cans and/or the walls of the box. Find the interior area of the bottom of the box?
12. If the rate of inflation was 1000% then what will be the cost of an article two years from now, which costs 6 units of currency now?
A. 666
B. 660
C. 720
D. 726
E. 730
13. At a soccer match, the contractor provided dinner for 24 persons, and fixed the price so as to gain 12.5% upon his total outlay. Three of the players being absent , the remaining 21 paid the fixed price for their dinner, and such the contractor lost one rupee.
What was the charge for the dinner?
14. There is a semi circle and person A takes 2min to walk around the semicircle path, and B takes 1 minute to walk along the diameter
CoL A: Average speed of A
CoL B: Average speed of B
15. 5000+sqrt(6.894*7001.2) is approximate equal to
A. 5200
B. 5700
C. 6000
D. 6500
E. 7000
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Wednesday, May 6, 2009
6th May Gre quats Questions
1. What is the remainder of the following (7^0 + 7^1 + 7^2 + 7^3 + ........ + 7^23)/14 ?
2. If the standard deviation of 21, 22, 23, 24, 27, 28, 29 & 33 is x, then what is the standard deviation of 221, 222, 223, 224, 227, 228, 229 & 233?
3. Given set S = {1,2,3,4,5} and T = {1,2,3,6,8}, let any element chosen from set S be 's' and any element chosen from set T be 't' and let s*t = n. Then in how many answers are possible for n?
4. If y = kx-5 has a x intercept of -10/3, what is the value of k?
5. If x = - 8
Col A: 7X^2 + 3x
Col B: 7(-Cool^2 + 3(-Cool
6. {1 / (2 - sqrt3)} =
7. A vendor was selling an item at certain price then marked it down 20% for spring. During summer again he marked it down 20% from spring price. If the item is sold at the summer price what percent of the original price did he sell for?
8. A person went to market with a red and a green bag and bought 10 carrots & 6 radishes. On the way to home he distributed vegetables into the two bags in such a way that no bag is empty. In how many ways can he do ths?
9. In how many ways, the letters of the word POLLOLOP can be arranged?
10. If 60% children like cats, 70% like dogs and 80% like rabbits then exactly how many children like all three animals?
11. A figure was given, it had a rectangular box in which 16 cylindrical cans, each with radius of 1 inch are placed. If the cans touch adjacent cans and/or the walls of the box. Find the interior area of the bottom of the box?
12. If the rate of inflation was 1000% then what will be the cost of an article two years from now, which costs 6 units of currency now?
A. 666
B. 660
C. 720
D. 726
E. 730
13. At a soccer match, the contractor provided dinner for 24 persons, and fixed the price so as to gain 12.5% upon his total outlay. Three of the players being absent , the remaining 21 paid the fixed price for their dinner, and such the contractor lost one rupee.
What was the charge for the dinner?
14. There is a semi circle and person A takes 2min to walk around the semicircle path, and B takes 1 minute to walk along the diameter
CoL A: Average speed of A
CoL B: Average speed of B
15. 5000+sqrt(6.894*7001.2) is approximate equal to
A. 5200
B. 5700
C. 6000
D. 6500
E. 7000
2. If the standard deviation of 21, 22, 23, 24, 27, 28, 29 & 33 is x, then what is the standard deviation of 221, 222, 223, 224, 227, 228, 229 & 233?
3. Given set S = {1,2,3,4,5} and T = {1,2,3,6,8}, let any element chosen from set S be 's' and any element chosen from set T be 't' and let s*t = n. Then in how many answers are possible for n?
4. If y = kx-5 has a x intercept of -10/3, what is the value of k?
5. If x = - 8
Col A: 7X^2 + 3x
Col B: 7(-Cool^2 + 3(-Cool
6. {1 / (2 - sqrt3)} =
7. A vendor was selling an item at certain price then marked it down 20% for spring. During summer again he marked it down 20% from spring price. If the item is sold at the summer price what percent of the original price did he sell for?
8. A person went to market with a red and a green bag and bought 10 carrots & 6 radishes. On the way to home he distributed vegetables into the two bags in such a way that no bag is empty. In how many ways can he do ths?
9. In how many ways, the letters of the word POLLOLOP can be arranged?
10. If 60% children like cats, 70% like dogs and 80% like rabbits then exactly how many children like all three animals?
11. A figure was given, it had a rectangular box in which 16 cylindrical cans, each with radius of 1 inch are placed. If the cans touch adjacent cans and/or the walls of the box. Find the interior area of the bottom of the box?
12. If the rate of inflation was 1000% then what will be the cost of an article two years from now, which costs 6 units of currency now?
A. 666
B. 660
C. 720
D. 726
E. 730
13. At a soccer match, the contractor provided dinner for 24 persons, and fixed the price so as to gain 12.5% upon his total outlay. Three of the players being absent , the remaining 21 paid the fixed price for their dinner, and such the contractor lost one rupee.
What was the charge for the dinner?
14. There is a semi circle and person A takes 2min to walk around the semicircle path, and B takes 1 minute to walk along the diameter
CoL A: Average speed of A
CoL B: Average speed of B
15. 5000+sqrt(6.894*7001.2) is approximate equal to
A. 5200
B. 5700
C. 6000
D. 6500
E. 7000
6 comments:
-
gre guru said...
-
1----7^0/14 leaves remainder 1
7^0+7^1/14 leaves remainder 8
7^0+7^1+7^2/14 leaves remainder 1
7^0+7^1+7^2+7^3/14------8
It follows a pattern for even powers it leaves remainder 1 and odd powers leaves remainder 8
so ans is 8
2----standard deviation is same
so ans is x
3-----17 if phi is included else 16
4-----y=mx+c if y =0 then x=-c/m is x intercept given it as -10/3=-c/m
10/3 = -5/k k=-3/2
5----equal (c)
7-----consider initial amountas 100
so after 20% reduction it is 80 and after 20% increase it is 96
so it is sold for 96% of the actual price -
May 27, 2009 at 9:08 PM
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ritz said...
-
9-----8!/3!*3!*2!---8 for total letters and L and O repeats for 3 times and P repeats for 2 times
11---- might be 64
2 * 32 or 8 * 8
14-----ans is A A---2*pi*r/2=pi*r
B---2*r
pi*r > 2*r so ans is A -
May 27, 2009 at 9:09 PM
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ravi said...
-
13----- 24x-21y = 1
x is the amount he spent
y is the money he got (i.e including profit)
y=(1.25/100)x+x
=(9/Coolx
(24-21(9/Cool)x = 1
3x=8
x=8/3
y=3... -
May 27, 2009 at 9:09 PM
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M Faisal Riyad said...
-
WHAT DOES Coolx mean [y=(1.25/100)x+x
=(9/Coolx] -
May 29, 2009 at 10:46 AM
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Anonymous said...
- This comment has been removed by the author.
-
June 1, 2009 at 11:47 AM
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Anonymous said...
-
6---1/(2-root3)=9/17
-
June 11, 2009 at 10:16 PM
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6 comments:
1----7^0/14 leaves remainder 1
7^0+7^1/14 leaves remainder 8
7^0+7^1+7^2/14 leaves remainder 1
7^0+7^1+7^2+7^3/14------8
It follows a pattern for even powers it leaves remainder 1 and odd powers leaves remainder 8
so ans is 8
2----standard deviation is same
so ans is x
3-----17 if phi is included else 16
4-----y=mx+c if y =0 then x=-c/m is x intercept given it as -10/3=-c/m
10/3 = -5/k k=-3/2
5----equal (c)
7-----consider initial amountas 100
so after 20% reduction it is 80 and after 20% increase it is 96
so it is sold for 96% of the actual price
9-----8!/3!*3!*2!---8 for total letters and L and O repeats for 3 times and P repeats for 2 times
11---- might be 64
2 * 32 or 8 * 8
14-----ans is A A---2*pi*r/2=pi*r
B---2*r
pi*r > 2*r so ans is A
13----- 24x-21y = 1
x is the amount he spent
y is the money he got (i.e including profit)
y=(1.25/100)x+x
=(9/Coolx
(24-21(9/Cool)x = 1
3x=8
x=8/3
y=3...
WHAT DOES Coolx mean [y=(1.25/100)x+x
=(9/Coolx]
6---1/(2-root3)=9/17
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