Search found 21 matches
Re: If \(|x-y|=y,\) what is the value of \(x?\)
On solving, we get x=0, or x=2y
1 not sufficient since, we do not know value of y
2 not sufficient since x can be 0 or 12
1 and 2 gives, x=12 and x != 0 (not equals)
hence. answer is C
- by alishagmat
Sat Oct 10, 2020 8:11 am- Forum: Data Sufficiency
- Topic: If \(|x-y|=y,\) what is the value of \(x?\)
- Replies: 1
- Views: 348
Re: If integer \(k > 0\) and \(x^2 - 7x + k = 0,\) what is the value of \(k?\)
let the roots be a and b a+b=7 ab=k all possible values of a and b are a. b 1. 6 2. 5 3. 4 4. 3 5. 2 6. 1 -1. -6 -2. -5 -3. -4 -4. -3 -5. -2 -6. -1 Using 1 -, only (2,5) and (5,2) satisfies answer, giving k =10 Hence, sufficient Using 2 - again only (2,5) and (5,2) satisfies answer, giving k =10 Hen...
- by alishagmat
Sat Oct 10, 2020 8:03 am- Forum: Data Sufficiency
- Topic: If integer \(k > 0\) and \(x^2 - 7x + k = 0,\) what is the value of \(k?\)
- Replies: 1
- Views: 343
Re: What is the sum of the digits of integer \(k,\) if \(k = 10^{40}- 46.\)
expression =10^{40}-46= 999.....38 times ....54 (last two digits is 54)
So, sum = 9 X 38 +5+4 = 351 Answer
- by alishagmat
Sat Oct 10, 2020 7:54 am- Forum: Problem Solving
- Topic: What is the sum of the digits of integer \(k,\) if \(k = 10^{40}- 46.\)
- Replies: 2
- Views: 403
Re: Although she was considered among her contemporaries to be
D is correct
Success is overshadowed by the success of and not by some person
A,B and E are wrong comparisons
C is misplaced modifier
- by alishagmat
Sun Oct 04, 2020 3:15 am- Forum: Sentence Correction
- Topic: Although she was considered among her contemporaries to be
- Replies: 23
- Views: 20868
Re: Question 10
The two timings are being compared
Eliminate A,B and D since they compare actions not timings
E - Halley's comet is compared to its return illogical comparison
C - timings are compared right, hence C
- by alishagmat
Sun Oct 04, 2020 3:10 am- Forum: Sentence Correction
- Topic: Question 10
- Replies: 6
- Views: 5939
Re: Rock Samples
Answer is E
A,B do not have subject verb agreement
D is not parallel since verb is needed after thus
correct idiom is dated at not dated to be - eliminate C
Hence, E is correct
- by alishagmat
Sun Oct 04, 2020 3:05 am- Forum: Sentence Correction
- Topic: Rock Samples
- Replies: 9
- Views: 6236
Re: When working with overseas clients, an understanding of
Answer is C
B,D and E has wrong idiom ... the correct idiom is as important as
D also has parallelism issue
A is illogical in meaning and has wrong modifier - understanding for working - it should be manager
Hence, C is correct
- by alishagmat
Sun Oct 04, 2020 3:00 am- Forum: Sentence Correction
- Topic: When working with overseas clients, an understanding of
- Replies: 2
- Views: 2458
Percentage and Mixture ( Algebra)
In what ratio should Solution 1 and Solution 2 be mixed to get a solution which contains water and milk in the ratio of 3:7? (1) Solution 1 contains water and milk in the ratio 1:9 and Solution 2 contains water and milk in the ratio 2:3 (2) The amount of milk in 100 gallon of solution 1 is 80 gallon...
- by alishagmat
Fri Oct 02, 2020 4:36 am- Forum: Data Sufficiency
- Topic: Percentage and Mixture ( Algebra)
- Replies: 0
- Views: 327
Percentage, mixture and algebra
Each day, Sergio feeds his cat a 500-gram mixture of Brand X and Brand Y cat foods. If Sergio’s cat eats only this mix of cat food and she consumes 103 grams of fat per day, what is the amount of Brand X cat food that she receives each day? (1) Brand X cat food consists of 35 percent fat. (2) Brand ...
- by alishagmat
Fri Oct 02, 2020 4:35 am- Forum: Data Sufficiency
- Topic: Percentage, mixture and algebra
- Replies: 0
- Views: 358
Coordinate Geometry
In the xy-plane, what is the y-intercept of line l?
(1) The slope of line l is 3 times its y-intercept
(2) The x-intercept of line l is -1/3
- by alishagmat
Fri Oct 02, 2020 4:30 am- Forum: Data Sufficiency
- Topic: Coordinate Geometry
- Replies: 0
- Views: 332
Coordinate Geometry
In the xy-plane, if line k has negative slope and passes through the point (-5,r) , is the x-intercept of line k positive?
(1) The slope of line k is -5.
(2) r > 0
- by alishagmat
Fri Oct 02, 2020 4:28 am- Forum: Data Sufficiency
- Topic: Coordinate Geometry
- Replies: 1
- Views: 426
Coordinate Geometry
In the xy-plane, if line k has negative slope and passes through the point (-5,r) , is the x-intercept of line k positive?
(1) The slope of line k is -5.
(2) r > 0
[spoiler][/spoiler]
- by alishagmat
Fri Oct 02, 2020 4:27 am- Forum: Data Sufficiency
- Topic: Coordinate Geometry
- Replies: 1
- Views: 405
Coordinate Geometry
In the xy-plane, at what two points does the graph y=(x+a)(x+b) intersect the x-axis?
(1) a+b=−6
(2) The graph contains the point (0,−7)
- by alishagmat
Fri Oct 02, 2020 4:25 am- Forum: Data Sufficiency
- Topic: Coordinate Geometry
- Replies: 0
- Views: 330
- by alishagmat
Fri Oct 02, 2020 4:18 am- Forum: Data Sufficiency
- Topic: Number System
- Replies: 0
- Views: 312
Set Algebra
In a shop, 40% socks are white and rest are black. 60% socks are made of cotton and rest are made of wool. 25% white socks are made of cotton and 20 of the black socks are made of wool. How many black socks are made of cotton?
(A) 100
(B) 80
(C) 60
(D) 50
(E) 25
- by alishagmat
Fri Oct 02, 2020 4:14 am- Forum: Data Sufficiency
- Topic: Set Algebra
- Replies: 1
- Views: 664