A is elder to B while C and D are elder to E who lies between A and C.
If C be elder to B, Which one of the following statements is necessarily true ?
Answer: D
In terms of age, we have :
B < A, E < C, E < D, B < C.
Since E lies between A and C, the sequence becomes :
B < A < E < C < D or B < A < E < D < C.
Clearly, whichever may be the case, E is elder to B.
Hence, (d) is necessarily true.
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Rohan is taller than Anand but shorter than Seema.
Krishna is taller than Pushpa but shorter than Anand.
Dhiraj is taller than Krishna but shorter than Seema.
Who among them is the tallest ?
Answer: B
In terms of height, we have :
Anand < Rohan, Rohan < Seema, Pushpa < Krishna, Krishna < Anand, Krishna < Dhiraj, Dhiraj < Seema.
So, the sequence becomes :
Pushpa < Krishna < Dhiraj < Anand < Rohan < Seema.
Clearly, Seema is the tallest.
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Seven friends Kamal, Manish, Rohit, Amit, Gaurav, Pritam and Priya are sitting in a circle. Kamal, Manish, Rohit, AMit, Pritam and Priya are sitting at equal distances from each other.
Rohit is sitting two places right of Pritam, who is sitting one place right of Amit. Kamal forms an angle of 90 degrees from Gaurav and an angle of 120 degrees from Manish. Manish is just opposite Priya and is sitting on the left of Gaurav. Who is the only person sitting between Rohit and Manish ?
Answer: C
Clearl in a circle the arrangement is as shown :
Gaurav is sitting between Rohit and Manish.
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There are seven books one each on Psychology, Hindi, English, Sociology, Economics, Education and Accountancy, lying on a table one above the other.
Sociology is on the top of all the books.
Accountancy is immediately below Education which is immediately below Sociology.
Economics is immediately above Psychology but not in the middle.
Hindi is immediately below Psychology.
Economics is between which of the following books ?
Answer: C
Sociilogy is on top of all books, Education is below Sociology. Accountancy is below Education.
Economics is above Psychology and Psychology is above Hindi.
Economics is not in the middle. So, in the middle lies the seventh book i.e. English.
Thus, the sequence from top to bottom is :
Sociology, Education, Accountancy, English, Economics, Psychology, Hindi.
Economics is between English and Psychology.
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In a pile of 10 books, there are 3 of History, 3 of Hindi, 2 of Mathematics and 2 of English.
Taking from above, there is an English books between a History and Mathematics book, a History book between a Mathematics and an English book, a Hindi book between an English and A Mathematics book, a Mathematics book between two Hindi books and two Hindi books between a Mathematics and a History book.
Book of which subject is at the sixth position from the top ?
Answer: B
Starting from above , English is between History and Mathematics i.e. H, E, M.
History is between Mathematics and English i.e. H, E, M, H, E.
Hindi is between English and Mathematics i.e. H, E, M, H, E, Hi, M.
Mathematics is between two Hindi books i.e. H, E, M, H, E, Hi, M, Hi.
Two Hindi books are between Mathematics and History i.e. H, E, M, H, E, Hi, M, Hi, Hi, H.
Clearly, Hindi book is at sixth position from top.
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B is twice as old as A but twice younger than F.
C is half the age of A but twice the age of D.
Which two persons from the pair of oldest and youngest ?
Answer: B
Let A's age be x.
Then, B's age is 2x.
B is twice younger than F i.e. F is twice older than B. So, F's age is 4x.
C is half the age of A i.e. C's age is x/2. C is twice the age of D i.e D is half the age of C i.e. D's age is x/4.
So, the descending order of ages is F, B, A, C, D/
Clearly, F is the oldest and D is the youngest.
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(A) Gopal is shorter than Ashok but taller than Kunal;
(B) Navin is shorter than Kunal;
(C) Jayesh is taller than Navin;
(D) Ashok is taller than Jayesh. Which of the given informations is not necessary to answer the above question ?
Answer: C
In terms of height, we have :
Gopal < Ashok, Kunal < Gopal, Navin < Kunal, Navin < Jayesh, Jayesh < Ashok.
So the sequence becomes :
Navin < Kunal < Gopal < Jayesh < Ashok.
Clearly, statement C is not necessary.
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Seven executives P, Q, R, S, T, U andW reach office in a particular sequence.
U reaches immediately before P but does not immediately follow S. R is the last one to reach office. T follows immediately after P and is subsequently followed by W. Who ranks fourth in the sequence of reaching office ?
Answer: D
Clearly, U is followed by P; P by T; T by W.
Now, U does not immediately follow S and R reaches last.
So, the order of reaching office is : S, Q, U, P, T, W, R.
So, P is fourth in the sequence.
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Five boys participated in a competition. Rohit was ranked lower than Sanjay. Vikas was ranked higher than Dinesh. Kamal`s rank was between Rohit and Vikas. Who was ranked highest ?
Answer: A
In terms of rank, we have : Rohit < Sanjay, Dinesh < Vikas. Since Kamal`s rank is between Rohit and Vikas, the sequence becomes : Dinesh < Vikas < Kamal < Rohit < Sanjay. Clearly, Sanjay was ranked highest.
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In a shop, the items were arranged in a shelf consisting of six rows.
Biscuits are arranged above the tins of chocolates but below the rows of packets of chips, cakes are at the bottom and the bottles of peppermints are below the chocolates.
The topmost row had the display of jam bottles. Where exactly are the bottles of peppermints ? Mention the place from the top.
Answer: D
Jam bottles are at the top.
Biscuits are below chips, chocolates are below biscuits, peppermints are below chocolates and cakes are at the bottom.
So, the sequence from top to bottom is :
Jam bottles, Chips, Biscuits, Chocolates, Peppermint, Cakes.
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