-
khurram
- Master | Next Rank: 500 Posts
- Posts: 231
- Joined: Mon Jan 07, 2008 9:39 am
- Thanked: 4 times
- Followed by:1 members
Am I attacking this question correctly. Ans is A
if A 0, then c is -5 or 5. If B and C distance is 20 then if C =-5 B can be -25 or 15. If C =5 then B could be 25 or -15.
STATEMENT 1) Says that distance between A and B is 25. SO HOLDS TRUE FOR BOTH A AND C WHEN A) WHEN A=0, C=5 AND B 25.
B) IF C=-5. B=-25, A=0.
C) IF C=-5, THEN B HAS TO BE -25 0R 15. iF b IS 15 THEN A HAS TO BE -10 TO SATISFY BOTH REQUIREMENTS AND IF B -25 THEN A =0. BOTH CASES C IS ALWAYS BETWEEN A AND B
2) STATEMENT 2 IS INSUFF. jUST SAYS IT IS TO THE LEFT SO NUMEROUS POSSIBILITIES. CAN BE RIGHT NEXT TO B.
BASICALLY FOR A C CAN BE ON THE LEFT OR RIGHT, B CAN BE LEFT OR RIGHT. IF C AND B HAVE A DISTANCE OF 20 BETWEEN THEM, AND A AND B HAVE A DISTANCE OF 25 BETWEEN THEM, THEN A CANNOT BE BETWEEN C AND B.
Thanks
khurram
if A 0, then c is -5 or 5. If B and C distance is 20 then if C =-5 B can be -25 or 15. If C =5 then B could be 25 or -15.
STATEMENT 1) Says that distance between A and B is 25. SO HOLDS TRUE FOR BOTH A AND C WHEN A) WHEN A=0, C=5 AND B 25.
B) IF C=-5. B=-25, A=0.
C) IF C=-5, THEN B HAS TO BE -25 0R 15. iF b IS 15 THEN A HAS TO BE -10 TO SATISFY BOTH REQUIREMENTS AND IF B -25 THEN A =0. BOTH CASES C IS ALWAYS BETWEEN A AND B
2) STATEMENT 2 IS INSUFF. jUST SAYS IT IS TO THE LEFT SO NUMEROUS POSSIBILITIES. CAN BE RIGHT NEXT TO B.
BASICALLY FOR A C CAN BE ON THE LEFT OR RIGHT, B CAN BE LEFT OR RIGHT. IF C AND B HAVE A DISTANCE OF 20 BETWEEN THEM, AND A AND B HAVE A DISTANCE OF 25 BETWEEN THEM, THEN A CANNOT BE BETWEEN C AND B.
Thanks
khurram
- Attachments
-
- gmat numberline.doc
- Gmat Num ber line
- (66 KiB) Downloaded 133 times












