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06 Jul 2017, 00:40
Kudos
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C
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Difficulty:
65%
(hard)
Question Stats:
54% (01:56) correct
46%
(02:06)
wrong
based on 63
sessions
History
Date
Time
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Not Attempted Yet
The ratio between the ages of Mary and her mother is 1: 2 and that of Mary and her father is 1: 3 at the time of Mary's birth. Mary is 10 years old now. Find out the ratio between the ages of Mary's mother and father at this age of Mary.
a. 1:2
b. 1:3
c. 2:3
d. 3:2
e. none of the above
a. 1:2
b. 1:3
c. 2:3
d. 3:2
e. none of the above
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06 Jul 2017, 01:15
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ArupSarker
Mary:Mother = 1:2
Mary : Father = 1:3
i.e. Mary:Mother:Father = 1:2:3
Mary =10 years
Mary:Mother:Father = (10):(20):(30)
Answer: Option C
But the language seems very ambiguous because at the time of birth mary's age can't represent 1... Mary should be atleast 1 year old for this to be true
06 Jul 2017, 03:19
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At the time of birth if the ratio between Mary's age and her mother's age was 1:2, then her mother must have been 2 years old, that is if we take Mary's age to be 1, which is not correct in itself. Either the question is wrong or it's wrongly worded.
