Search found 18 matches


sadullaevd wrote:IMO B

x+y= 2000

0.1y-0.08x=56

By arranging we can find either y or x. Lets find x: y=2000-x,

0.1(2000-x) - 0.08x=56,

200-0.18x=56,

x=800

Hope its the right answer.

Cheers
Yes B is the right answer. Thank you.

by irfan_m1973

Tue Dec 08, 2009 4:42 am
Forum: Problem Solving
Topic: Investment Problem
Replies: 3
Views: 3327

Investment Problem

If x dollars is invested at 10 percent for one year and y dollars is invested at 8 percent for one year, the annual income from the 10 percent investment will exceed the annual income from the 8 percent investment by $56. If $2,000 is the total amount invested, how much is invested at 8 percent? (A)...

by irfan_m1973

Tue Dec 08, 2009 2:20 am
Forum: Problem Solving
Topic: Investment Problem
Replies: 3
Views: 3327

Test Code 52, section 4, question 13

Image

Of the four numbers represented on the number line above, is r closest to zero?

(1) q = -s

(2) -t< q


OA is A. pls explain

by irfan_m1973

Mon Dec 07, 2009 1:46 am
Forum: Data Sufficiency
Topic: Test Code 52, section 4, question 13
Replies: 3
Views: 2614

Test code 52, section 4, question 10

If a < x < b and c < y < d, is x < y?

(1) a < c
(2) b < c

OA is B.

Plz explain

by irfan_m1973

Sun Dec 06, 2009 10:22 pm
Forum: Data Sufficiency
Topic: Test code 52, section 4, question 10
Replies: 1
Views: 929

Assuming you've transcribed the question properly, the correct answer should be choice A. We are asked whether he answered at least 12 questions correctly, and there are 20 questions on the test. (1) Dan answered fewer than 40 percent of the questions incorrectly. Because 40 percent of 20 is 8, we ...

by irfan_m1973

Sun Dec 06, 2009 10:20 pm
Forum: Data Sufficiency
Topic: Test Code 52, section4, Question 8
Replies: 2
Views: 1222

Test Code 52, section4, Question 8

Dan took a 20-question multiple-choice test in psychology. If Dan answered every question, did he answer at least 12 questions correctly? (1) Dan answered fewer than 40 percent of the questions incorrectly. (2) Dan answered at least 25 percent of the questions incorrectly. OA is C (BOTH statements (...

by irfan_m1973

Sun Dec 06, 2009 9:39 pm
Forum: Data Sufficiency
Topic: Test Code 52, section4, Question 8
Replies: 2
Views: 1222

http://s2.postimage.org/pgKHA.jpg (Click to Enlarge Image) The figure above shows the dimensions of an isosceles triangle in terms of x. What is the area of the triangle? (A) 24 (B) 30 (C) 48 (D) 60 (E) 96 Answer is C. Explain please. We know that it's an isosceles triangle, therefore we know that:...

by irfan_m1973

Wed Dec 02, 2009 5:53 am
Forum: Problem Solving
Topic: Test Code 52, Section 6, Question 11
Replies: 3
Views: 3254

Test Code 52, Section 6, Question 11

Image
(Click to Enlarge Image)

The figure above shows the dimensions of an isosceles triangle in terms of x. What is the area of the triangle?

(A) 24
(B) 30
(C) 48
(D) 60
(E) 96

Answer is C.

Explain please.

by irfan_m1973

Wed Dec 02, 2009 1:44 am
Forum: Problem Solving
Topic: Test Code 52, Section 6, Question 11
Replies: 3
Views: 3254

haydieenano wrote:what does oa mean??..im just new here..

anyway i got the same answer..6 hrs..

thanks!
OA is original answer...correct me if im wrong

by irfan_m1973

Wed Dec 02, 2009 1:32 am
Forum: Problem Solving
Topic: Test Code 52, Section6, question 4
Replies: 7
Views: 2262

Test Code 52, Section 6, Question 10

For the positive numbers, n, n + 1, n + 2, n + 4, and n+ 8, the mean is how much greater the median?

(A) 0
(B) 1
(C) n + 1
(D) n + 2
(E) n + 3

by irfan_m1973

Wed Dec 02, 2009 1:30 am
Forum: Problem Solving
Topic: Test Code 52, Section 6, Question 10
Replies: 6
Views: 2671

Test Code 52, Section 6, Question 7

Jaime earned enough money by selling seashells at 25 cents each to buy several used paperback books at 55 cents each. If he spent all of the money he earned selling seashells to buy the books, what is the least number of seashells he could have sold?

(A) 5
(B) 11
(C) 17
(D) 25
(E) 30

by irfan_m1973

Wed Dec 02, 2009 12:24 am
Forum: Problem Solving
Topic: Test Code 52, Section 6, Question 7
Replies: 6
Views: 2149

Hi papgust. Thanks for your reply. As you can see I am new to this forum, I do not know how to go about sharing tghe OA. Can you pl let me know the same? Thank you

by irfan_m1973

Wed Dec 02, 2009 12:12 am
Forum: Problem Solving
Topic: Test Code 52, Section6, question 4
Replies: 7
Views: 2262

Test Code 52, Section6, question 4

A computer programmer needs to print 148 documents. The documents have an average (arithmetic mean) length of 10 pages and the printer takes 15 seconds to print each page. Approximately how many hours will it take to print all the documents if they are printed without interruptions? (A) 1/2 hr (B) 2...

by irfan_m1973

Tue Dec 01, 2009 11:12 pm
Forum: Problem Solving
Topic: Test Code 52, Section6, question 4
Replies: 7
Views: 2262

Thanks to both of you guys - regor60 and djkvakin. All the best at cracking the GMAT!

by irfan_m1973

Tue Dec 01, 2009 10:28 pm
Forum: Problem Solving
Topic: Test Code 52, Section 1, Question 11
Replies: 5
Views: 3162

Test Code 52, Section 1, Question 11

Last year 31 percent of Ace Book Company’s sales revenue came from the sale of novels. Of the remaining revenue, 1/3 was from the sale of biographies. The company’s revenue from the sale of novels was approximately how many times its revenue from the sale of biographies? (A) 1.3 (B) 1.5 (C) 2.1 ...

by irfan_m1973

Tue Dec 01, 2009 5:22 am
Forum: Problem Solving
Topic: Test Code 52, Section 1, Question 11
Replies: 5
Views: 3162