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28 Nov 2022, 10:45
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
75% (02:52) correct
25%
(02:30)
wrong
based on 72
sessions
History
Date
Time
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Not Attempted Yet
The candies in a candy shop can be divided into unscented and scented, and they can also be divided into blue and green. There are 1000 unscented candies and 1000 blue candies. 25% of blue candies and 50% of green candies are scented. When the candies which are neither scented blue nor scented green are sold out, how many candies are there still in the shop?
A. 250
B. 400
C. 500
D. 600
E. 750
A. 250
B. 400
C. 500
D. 600
E. 750
28 Nov 2022, 12:11
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Posted from my mobile device
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File comment: Option C is the answer
IMG_20221129_004038__01.jpg [ 2.24 MiB | Viewed 1733 times ]
29 Nov 2022, 02:16
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Bunuel
Solution:
- Total Blue = 1000
- Blue Scented = 25% of 1000 = 250
- Blue Un-Scented = 75% of 1000 = 750
- Total Green = 1000
- Green Scented = 250% of G = \(\frac{G}{2}\)
- Green Un-Scented = 50% of G = \(\frac{G}{2}\)
Attachment:
scent.png [ 6.73 KiB | Viewed 1678 times ]
- We already know total Un-Scented = 1000
- Or, \(750+\frac{G}{2}=1000\)
\(⇒\frac{G}{2}=250\)
\(⇒G=500\) - Total candies in the shop \(= 1000+G=1000+500=1500\)
- Candies sold out = candies neither scented blue nor scented green = total uncented candles = 1000
- So, number of candies left \(= 1500 - 1000 = 500\)\(\)
Hence the right answer is Option C
