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dferm
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 Posted: Wed Nov 28, 2007 10:48 pm Post subject: Gmat Prep Ratio? |
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At a certain college there are twice as many English majors as history majors and three times as many English majors as mathematics majors. WHat is the ratio of the number of history majors to the number of mathmatics major?
A. 6 to 1
B. 3 to 2
C. 2 to 3
D. 1 to 5
E. 1 to 6 |
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camitava
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| Posted: Wed Nov 28, 2007 11:24 pm Post subject: |
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dferm, ur qs -
| Quote: | At a certain college there are twice as many English majors as history majors and three times as many English majors as mathematics majors. WHat is the ratio of the number of history majors to the number of mathmatics major?
A. 6 to 1
B. 3 to 2
C. 2 to 3
D. 1 to 5
E. 1 to 6 |
From Qs, H = 2E -> 3H = 6E
And M = 3E -> 2M = 6E
So 3H = 2M
Or H : M = 2 : 3. So IMO -> C.
The principle to have the LCM of 2 and 3 here and multiply the number by quotient when LCM divided by that number.
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ri2007
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| Posted: Thu Nov 29, 2007 6:19 am Post subject: |
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i agree with the apporach camitava has taken but my ans is 3/2
pls confirm |
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camitava
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| Posted: Thu Nov 29, 2007 6:46 am Post subject: |
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RI2007, I generally got confused by these kind of structures -
| Quote: | | there are twice as many English majors as history majors |
- By this, I understood H = 2E but according to you E = 2H. I am really got confused by this. Hope, u r right!  
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dferm
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| Posted: Thu Nov 29, 2007 9:10 am Post subject: GMAT PREP RATIO? |
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| Can someone please elaborate on this topic further...? |
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