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Re: If each of c, d, and e is a positive one-digit number, what is the val
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04 Dec 2017, 00:05
1
If each of c, d, and e is a one-digit number, what is the value of e?
(1) c = 1 and c*d*e = 24
(2) d/c = 4 and d/e = 2/3
(1) d and e can take following values: (-4 , -6) , (4,6), (-6, -4), (6,4 ) Insufficient
(2) d/c = 4: d and c have same sign d/e = 2/3: d and e have same sign ==> c,d and e have same sign Also, d= 4c = 2e/3 e= 6c insufficient
(1) & (2) c=1 which means c, d and e are all positive (from statement 2) and e= 6 Sufficient --C--
correct me if I missed something
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Re: If each of c, d, and e is a positive one-digit number, what is the val
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04 Dec 2017, 01:35
Bunuel wrote:
If each of c, d, and e is a positive one-digit number, what is the value of e?
(1) c = 1 and c*d*e = 24
(2) d/c = 4 and d/e = 2/3
(1) 1*d*e = 24 OR d*e = 24. We could have d/e as 4/6 (e could be 4 or 6) but we could also have d/e as 3/8 (e could be 3 or 8). Thus e can take 4 values. Not sufficient.
(2) d=4c, and 3d=2e or e=3d/2 OR e=3*4c/2 = 6c So we have e = 6c, where both c and e have to be positive one-digit numbers. The only case possible is c=1, e=6 (because for c=2 or 3 etc, e will be two digit number). So Sufficient.
Re: If each of c, d, and e is a positive one-digit number, what is the val
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04 Dec 2017, 01:55
amanvermagmat wrote:
Bunuel wrote:
If each of c, d, and e is a positive one-digit number, what is the value of e?
(1) c = 1 and c*d*e = 24
(2) d/c = 4 and d/e = 2/3
(1) 1*d*e = 24 OR d*e = 24. We could have d/e as 4/6 (e could be 4 or 6) but we could also have d/e as 3/8 (e could be 3 or 8). Thus e can take 4 values. Not sufficient.
(2) d=4c, and 3d=2e or e=3d/2 OR e=3*4c/2 = 6c So we have e = 6c, where both c and e have to be positive one-digit numbers. The only case possible is c=1, e=6 (because for c=2 or 3 etc, e will be two digit number). So Sufficient.
Hence B answer
Can we consider .5 as one digit number?
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Re: If each of c, d, and e is a positive one-digit number, what is the val
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04 Dec 2017, 02:08
TaN1213 wrote:
amanvermagmat wrote:
Bunuel wrote:
If each of c, d, and e is a positive one-digit number, what is the value of e?
(1) c = 1 and c*d*e = 24
(2) d/c = 4 and d/e = 2/3
(1) 1*d*e = 24 OR d*e = 24. We could have d/e as 4/6 (e could be 4 or 6) but we could also have d/e as 3/8 (e could be 3 or 8). Thus e can take 4 values. Not sufficient.
(2) d=4c, and 3d=2e or e=3d/2 OR e=3*4c/2 = 6c So we have e = 6c, where both c and e have to be positive one-digit numbers. The only case possible is c=1, e=6 (because for c=2 or 3 etc, e will be two digit number). So Sufficient.
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68% (01:52) correct 
