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17 Jun 2021, 05:30
Kudos
Bookmarks
B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
80% (01:29) correct
20%
(01:46)
wrong
based on 133
sessions
History
Date
Time
Result
Not Attempted Yet
X cornflake is 55% fibre and Y cornflake is 70% fibre. Sharad combines a certain amount of the two cereals in a single bowl, creating a mixed cereal that is 65% fibre. If the bowl contains 120 grams of cereal, how much of the cereal, in grams, is X?
(A) 30
(B) 40
(C) 60
(D) 80
(E) 90
(A) 30
(B) 40
(C) 60
(D) 80
(E) 90
05 Jul 2021, 00:06
Kudos
Bookmarks
X Y
55 70
65
5 10
Therefore, Ratio of X:Y is 1:2.
Total =3a=120
a=40.
X(in grams) = 40
IMO, B
55 70
65
5 10
Therefore, Ratio of X:Y is 1:2.
Total =3a=120
a=40.
X(in grams) = 40
IMO, B
05 Jul 2021, 08:13
Kudos
Bookmarks
Bunuel
45__________________30
_________35_________
5___________________10
\(1 : 2\)
\(\frac{1}{3}*120 = 40\), Answer must be (B)
