Jamia Millia Islamia MCA Analytical Puzzle Previous Year Questions (PYQs)
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Showing 8 questions
Three persons A, B and C are standing in a queue. There are five persons between A and B and eight persons between B and C. If there are three persons ahead of C and 21 persons behind A, what could be the minimum number of persons in the queue?
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Solution
Positions → 3 (ahead of C) + 1 (C) + 8 + 1 (B) + 5 + 1 (A) + 21 (behind A) = 40.
Ms. Forest lets her students choose who their partners will be.
However, no pair of students may work together for more than seven class periods in a row.
Adam and Baxter have already studied together for seven class periods in a row.
Carter and Dennis have worked together for three periods in a row.
Carter does not want to work with Adam.
Who should be assigned to work with Baxter?
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Solution
Adam and Baxter have already worked together for 7 consecutive periods, so they cannot be paired again.
Carter refuses to work with Adam.
Therefore, Carter can work with Baxter.
$\boxed{\text{Answer: (C) Carter}}$
In a group of five persons A, B, C, D and E:
One plays Tennis, one plays Chess, and one plays Hockey.
A and D are unmarried women and play no game.
E is husband of C.
No woman plays either Chess or Hockey.
B is brother of C and he neither plays Tennis nor Chess.
Who plays Hockey?
Who plays Hockey?
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Solution
A and D are unmarried women → they play no game.
C is married to E, hence C is a woman.
No woman plays Chess or Hockey → so E must play Tennis.
B is C’s brother and does not play Tennis or Chess → he must play Hockey.
$\boxed{\text{Answer: (B) B}}$
Which of the following represents ‘Indians and Historians but not Politicians’
based on the given Venn diagram?
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Solution
Region ‘b’ lies in the intersection of Indians and Historians but outside Politicians.
Hence, it represents ‘Indians and Historians but not Politicians’.
$\boxed{\text{Answer: (A) b}}$
In a group of 15 people, 7 read French, 8 read English while 3 of them read none of these two. How many of them read French and English both?
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Solution
At least one language $=15-3=12$. Let both $=x$. Then by inclusion–exclusion: $7+8-x=12 \Rightarrow x=3$.
Three of the following four are alike and form a group. Which one does not belong?
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Solution
All are multiples of $5$, but only $165$ is also divisible by $3$ ($1+6+5=12$).
Others are not divisible by $3$.
Three of the following four are alike and form a group. Choose the odd one out.
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Solution
Sets (a), (c), (d) contain prime numbers only.
Set (b) contains composite numbers.
Find odd one out
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Solution
Map letters to alphabet positions: C=3, I=9, S=19 (all odd), T=20 (even).
Hence T is different.
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