A blacksmith has five iron articles A, B, C, D and E, each having a different weight.
(i) A weights twice as much as B.
(ii) B weights four and a half times as much as C.
(iii) C weights half as much as D.
(iv) D weights half as much as E.
(v) E weights less than A but more than C.
Which of the following articles is the heaviest in weight ?
Answer: A
Let C's weight be x.
Then, D's weight is 2x. E's weight is 4x. B's weight is 4.5x and A's weight is 9x.
So, the order of weights can be A > B > E > D > C.
Clearly, A is the heaviest in weight.
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Which of the following represents the descending order of weights of the articles ?
Answer: A
Let C's weight be x.
Then, D's weight is 2x. E's weight is 4x. B's weight is 4.5x and A's weight is 9x.
So, the order of weights can be A > B > E > D > C.
Clearly, the descending order of weights is A, B, E, D, C
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Which of the above given statements is not necessary to determine the correct order of articles according to their weights ?
Answer: E
Let C's weight be x.
Then, D's weight is 2x. E's weight is 4x. B's weight is 4.5x and A's weight is 9x.
So, the order of weights can be A > B > E > D > C.
Clearly, statement (5) is not required to determine the order of weights.
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In a car exhibition, seven cars of seven different companies viz. Cardilac, Ambassador, Fiat, Maruti, Mercedes, Bedford and Fargo were displayed in a row, facing east such that :
Cardilac car was to the immediate right of Fargo.
Fargo was fourth to the right of Fiat.
Maruti car was between Ambassador and Bedford.
Fiar, which was third to the left of Ambassador car, was at one of the ends.
Which of the following was the correct position of the Mercedes ?
Answer: D
We analyse the given information as follows :
Arranging the cars from left to right as per the information, we have :
Fargo and Cardilac
Fiat, Car, Car, Car, Fargo
Maruti between Ambassador and Bedford.
Fiat, Car, Car, Ambassador.
Knowing that Fiat lies at one of the ends, we have from left to right :
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
|
Fiat |
Bedford |
Maruti |
Ambassador |
Fargo |
Cardilac |
Mercedes |
Clearly, Maruti is in the third place and Mercedes in the seventh i.e. Mercedes is fourth to the right of Maruti.
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Which of the following is definitely true ?
Answer: B
We analyse the given information as follows :
Arranging the cars from left to right as per the information, we have :
Fargo and Cardilac
Fiat, Car, Car, Car, Fargo
Maruti between Ambassador and Bedford.
Fiat, Car, Car, Ambassador.
Knowing that Fiat lies at one of the ends, we have from left to right :
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
|
Fiat |
Bedford |
Maruti |
Ambassador |
Fargo |
Cardilac |
Mercedes |
Clearly, the Cardilac on the sixth place, is to the immediate left of the Mercedes, on the seventh place.
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Which cars are on the immediate either sides of the Cardilac Car ?
Answer: E
We analyse the given information as follows :
Arranging the cars from left to right as per the information, we have :
Fargo and Cardilac
Fiat, Car, Car, Car, Fargo
Maruti between Ambassador and Bedford.
Fiat, Car, Car, Ambassador.
Knowing that Fiat lies at one of the ends, we have from left to right :
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
|
Fiat |
Bedford |
Maruti |
Ambassador |
Fargo |
Cardilac |
Mercedes |
On either side of the Cardilac are the Fargo and the Mercedes.
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Which of the following is definitely true ?
Answer: A
We analyse the given information as follows :
Arranging the cars from left to right as per the information, we have :
Fargo and Cardilac
Fiat, Car, Car, Car, Fargo
Maruti between Ambassador and Bedford.
Fiat, Car, Car, Ambassador.
Knowing that Fiat lies at one of the ends, we have from left to right :
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
|
Fiat |
Bedford |
Maruti |
Ambassador |
Fargo |
Cardilac |
Mercedes |
Clearly, Maruti in the third place, is to the immediate left of Ambassador, in the fourth place.
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Which of the following groups of cars is to the right of the Ambassador car ?
Answer: C
We analyse the given information as follows :
Arranging the cars from left to right as per the information, we have :
Fargo and Cardilac
Fiat, Car, Car, Car, Fargo
Maruti between Ambassador and Bedford.
Fiat, Car, Car, Ambassador.
Knowing that Fiat lies at one of the ends, we have from left to right :
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
|
Fiat |
Bedford |
Maruti |
Ambassador |
Fargo |
Cardilac |
Mercedes |
To the right of the Ambassador are the Fargo, Cardilac and Mercedes
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Madhu and Shobha are good in Dramatics and Computer Science.
Anjali and Madhu are good in Computer Science and Physics.
Anjali, Poonam and Nisha are good in Physics and Mathematics.
Poonam and Shobha are good in History and Dramatics.
Who is good in Computer Science, History and Dramatics
Answer: C
The given information can be analyzed as under:
|
|
Dramatics |
Computer Sc. |
Physics |
History |
Mathematics |
|
Madhu |
X |
X |
X |
|
|
|
Shobha |
X |
X |
|
X |
|
|
Anjali |
|
X |
X |
X |
X |
|
Poonam |
X |
|
X |
X |
|
|
Nisha |
|
|
X |
X |
X |
Shobha is good in Computer Science, History, and Dramatics
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Who is good in Physics, Dramatics and Computer Science
Answer: C
The given information can be analyzed as under:
|
|
Dramatics |
Computer Sc. |
Physics |
History |
Mathematics |
|
Madhu |
X |
X |
X |
|
|
|
Shobha |
X |
X |
|
X |
|
|
Anjali |
|
X |
X |
X |
X |
|
Poonam |
X |
|
X |
X |
|
|
Nisha |
|
|
X |
X |
X |
Madhu is good in Physics, Dramatics and Computer Science.
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