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13 May 2022, 08:15
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A
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Difficulty:
95%
(hard)
Question Stats:
42% (03:05) correct
58%
(02:36)
wrong
based on 52
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Two persons P and Q lent certain amounts at the same rate of interest for 2 years and 3 years, respectively under compound interest. If their final amounts are in the ratio of 3 : 5, Q' s amount at the end of the first year being $8,500 and P earned an interest of $510 for the first year, then find the ratio of their principals.
(A) 33 : 50
(B) 27 : 47
(C) 35 : 61
(D) 22 : 51
(E) 23 : 49
Are You Up For the Challenge: 700 Level Questions
(A) 33 : 50
(B) 27 : 47
(C) 35 : 61
(D) 22 : 51
(E) 23 : 49
Are You Up For the Challenge: 700 Level Questions
21 May 2022, 09:35
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ANS IS A
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P_20220521_220154.jpg [ 563.43 KiB | Viewed 2494 times ]
16 Jul 2024, 08:57
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Terms:
P1 -> P's principal
P2 -> Q's principal
r -> rate of interest (common to both)
a -> (1 + r/100) - using this only for simplicity (instead of writing 1+r/100 everytime)
___
Harsha
Passionate about all things GMAT | Exploring the GMAT space | My website: gmatanchor.com
GMAT-Club-Forum-7r3b37ye.png [ 198.89 KiB | Viewed 494 times ]
P1 -> P's principal
P2 -> Q's principal
r -> rate of interest (common to both)
a -> (1 + r/100) - using this only for simplicity (instead of writing 1+r/100 everytime)
___
Harsha
Passionate about all things GMAT | Exploring the GMAT space | My website: gmatanchor.com
Attachment:
GMAT-Club-Forum-7r3b37ye.png [ 198.89 KiB | Viewed 494 times ]
