Search found 46 matches
12. If the region enclosed by the y-axis, the line y=2 , and the curve y=sqrt(2) is revolved about the y-axis, the volume of the solid generated is (A) 32PI/5 (B) 16PI/3 (C) 16PI/5 (D) 8PI/3 (E) PI Hi, firstly the Q is incomplete as also mentioned above by kaustabh.. y=square root 2, is not a curve...
- by chetan.sharma
Fri Apr 22, 2016 7:25 pm- Forum: Problem Solving
- Topic: region enclosed by the y-axis
- Replies: 13
- Views: 10179
Hi, In both the options B and C, the VERB is missing.. B is perfect buit for the missing VERB 'is'.. B) The banana, which contains high levels of potassium and other important minerals, IS considered Hi , Thanks for your reply. Just a quick question if this options misses a main verb, then CONSIDER...
- by chetan.sharma
Fri Apr 22, 2016 7:03 pm- Forum: Sentence Correction
- Topic: The banana
- Replies: 4
- Views: 1856
Source: Veritas Though perhaps less visceral and emotionally satisfying than her previous novels, “The Namesake� attests to Jhumpa Lahiri’s ability to write a best seller that moves back and forth between the comic and tragic, the satirical and the intimately personal A)that moves back and fo...
- by chetan.sharma
Fri Apr 22, 2016 7:34 am- Forum: Sentence Correction
- Topic: Though perhaps less visceral and emotionally satisfying than
- Replies: 2
- Views: 2089
The banana that contains high levels of potassium and other important minerals are considered to be one of nature’s most healthful fruits. A) The banana that contains high levels of potassium and other important minerals are considered to be B) The banana, which contains high levels of potassium ...
- by chetan.sharma
Fri Apr 22, 2016 7:04 am- Forum: Sentence Correction
- Topic: The banana
- Replies: 4
- Views: 1856
The first two albums released by the Isley Brothers, an African-American musical group, pictured white people on their covers , because record executives assumed that white consumers would not purchase albums with pictures of African-American artists on them. A) The first two albums released by the...
- by chetan.sharma
Fri Apr 22, 2016 6:12 am- Forum: Sentence Correction
- Topic: Isley Brothers
- Replies: 1
- Views: 1158
Step1 x=100, y=3 Step2 x<y? Yes -> step5, no -> step3 Step3 x -> x/2 Step4 -> step2 Step5 write down x Step6 finish If you end at Step6, how many Step2 are passed through? A. three B. four C. five D. six E. seven * A solution will be posted in two days. Since it has not been answered by anyone, let...
- by chetan.sharma
Thu Apr 21, 2016 6:41 am- Forum: Problem Solving
- Topic: If you end at Step6, how many Step2 are passed through?
- Replies: 2
- Views: 1276
0.99999999/1.0001-0.99999991/1.0003= A. 10^-8 B. 3 (10^-8) C. 3(10^-4) D. 2(10^-4) E. 10^-4 Following is my approach, but have done some approximation. Question = (99999999/10001- 99999991/10003)*10^-4 (Let # = 99999999 or 99999991= 10^8) =(#/10001-#/10003)*10^-4 =#( 1/10001-1/10003)*10^-4 =#{(1000...
- by chetan.sharma
Wed Apr 20, 2016 11:11 pm- Forum: Problem Solving
- Topic: Alternative method for this sum?
- Replies: 5
- Views: 2328
If x^2+(1/x^2)=4, x^4+(1/x^4)=? A. 10 B. 11 C. 12 D. 14 E. 15 *A solution will be posted in two days. Hi, x^2+(1/x^2)=4, Square both sides.. {x^2+(1/x^2)}^2=x^4+(1/x^4)+ x^4 *1/x^4= x^4+(1/x^4)+ 1.. so {x^2+(1/x^2)}^2 = (4)^2 = x^4+(1/x^4)+ 1.. so x^4+(1/x^4) = 16-2 =14 ans 15 D
- by chetan.sharma
Wed Apr 20, 2016 9:00 am- Forum: Problem Solving
- Topic: If x^2+(1/x^2)=4, x^4+(1/x^4)=?
- Replies: 3
- Views: 5893
Is x > y? (1) under root x > y (2) x3 > y OA C Hi, we are not told anything about variables x and y, they are fractions or integers, + or -... lets see the statements-- (1) under root x > y underroot x >y, this means x is POSITIVE.. but we do not know if x is fration or integer.. if x=1/4 and y=1/3...
- by chetan.sharma
Tue Apr 19, 2016 10:00 pm- Forum: Data Sufficiency
- Topic: Is x > y
- Replies: 2
- Views: 1711
Please check the question below OA is A Hi, Lets see the Q stem the entire Q depends on the value of tenths place, c.. A) if c<5, x rounded of will be ab OR 10a + b then answer will be 10a + b + 1 - 10a - b = 1.. B) if c> or = 5, x rounded will give ab + 1 OR 10a + b= 1.. then answer will be 10a + ...
- by chetan.sharma
Tue Apr 19, 2016 9:29 pm- Forum: Data Sufficiency
- Topic: x=ab.cd, where a,b,c,and d are the tens, units, tenths
- Replies: 2
- Views: 1311
See attached picture. I understand after seeing the answer that the key is finding the 30-60-90 property of triangle (RPT)--through this you can determine angle (RSQ) and angle (UST) and subtract from 180 to find angle x. Answer C. But how do you determine the 30-60-90 relationship of the largest t...
- by chetan.sharma
Tue Apr 19, 2016 8:51 am- Forum: Data Sufficiency
- Topic: Geometry, value of x
- Replies: 2
- Views: 1270
Is it best to substitute simple values here or continue with variables? Please help in solving this. http://s4.postimg.org/evq5etuex/mixture.jpg Hi, finally this Q is all about weighted mixture so lets work on this concept for the answer... Now the average 1.5% is much closer to 1 than 3 and at sam...
- by chetan.sharma
Tue Apr 19, 2016 8:37 am- Forum: Problem Solving
- Topic: Weighted Avg/Mixture
- Replies: 5
- Views: 1691
The average individual's cost of going into space is estimated at a fraction of the price per economy ticket of transatlantic airplane travel by the end of the 21st century. A) The average individual's cost of going into space is estimated at a fraction of the price per economy ticket of transatlan...
- by chetan.sharma
Sun Apr 17, 2016 10:39 pm- Forum: Sentence Correction
- Topic: Space travel
- Replies: 1
- Views: 1101
How many of the integers that satisfy the inequality (x+2)(x+3)/x-2 >=0 are less than 5? A) 1 B 2 C 3 D 4 E 5 i see the book has D as the answer and i had B. I don't understand the book explanation thanks Hi, If you were to do it algebrically.. (x+2)(x+3)/x-2 >=0.. lets first take the values satisf...
- by chetan.sharma
Sun Apr 17, 2016 10:01 pm- Forum: Problem Solving
- Topic: OG 13 #229
- Replies: 9
- Views: 7098
sum of even number: n((first even+last even)/2) where, n = total number of even numbers But, you can't use the Formula: N(N+1) How to Find N = (First Even + Last Even)/2 - 1 For example, let's find the sum of even numbers between 102 to 200. =50((102+200)/2) =7550, which is right. hi, the formula n...
- by chetan.sharma
Fri Jan 15, 2016 5:59 am- Forum: GMAT Math
- Topic: Formula for consecutive, even, odd integers
- Replies: 12
- Views: 658611