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Home > Logical Reasoning > Logical Deduction > Questions and Answers

Exercise:

Section 1

Section 2

► Section 3

Section 4

Section 5

Direction to solve :
 DIRECTIONS : In each of these questions, relationship between different elements is shown in the statements. The statements are followed by two conclusions.
Give answer
(a) if only conclusion I is true.
(b) if only conclusion II is true.
(c) if either conclusion I or II is true.
(d) if neither conclusion I nor II is true.
(e) if both the conclusions I and II are true.
01. Statements P>R,R < S < X, Y = X

Conclusions
I. P < S
II. Y > R
A. if only conclusion I is true. B. if only conclusion II is true.
C. if either conclusion I or II is true. D. if neither conclusion I nor II is true.

Answer and Explanation

Answer: if only conclusion II is true.

Explanation:

Statements P>R, R <S<X, Y = X or P>R<S<X = Y
Conclusions 

I. P < S (False)
II. Y>R(True)
Hence, only conclusion II is definitely true.

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02. Statements Z = C,B<A = N, C<B Conclusions
I. Z < B
II. N > Z
A. if only conclusion I is true. B. if only conclusion II is true.
C. if either conclusion I or II is true. D. if neither conclusion I nor II is true.
E. if both the conclusions I and II are true.

Answer and Explanation

Answer: if both the conclusions I and II are true.

Explanation:
Statements Z=C, B< A = N, C<B or Z = C<B<A = N


Conclusion
I. Z < B (True)
II. N > Z (True)
Hence, both conclusions are definitely true.

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03. Statements T<V = W, X> Y, W>X

Conclusions
I. V>Y
II. V < X
A. if only conclusion I is true. B. if only conclusion II is true.
C. if either conclusion I or II is true. D. if neither conclusion I nor II is true.
E. if both the conclusions I and II are true.

Answer and Explanation

Answer: if only conclusion I is true.

Explanation:
Statements T<V = W , X>Y, W>X or T<V = W>X>Y

Conclusions
I. V > Y (True)
II. V < X (False)
Hence, only conclusion I is definitely true.

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04.  Statements:
A >B = C, E = F, E>D>C
Conclusions
I. B < E
II. F < B
A. if only conclusion I is true. B. if only conclusion II is true.
C. if either conclusion I or II is true. D. if neither conclusion I nor II is true.
E. if both the conclusions I and II are true.

Answer and Explanation

Answer: if only conclusion I is true.

Explanation:
Conclusions
I. B < E (True)
II. F < B (False)
Hence, only conclusion I is definitely true

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05. Statements
A >B = C, E = F, E>D>C

Conclusions 
I. C < F
II. A > C 
A. if only conclusion I is true. B. if only conclusion II is true.
C. if either conclusion I or II is true. D. if neither conclusion I nor II is true.
E. if both the conclusions I and II are true.

Answer and Explanation

Answer: if both the conclusions I and II are true.

Explanation:
Conclusions
I. C < F (True)
II. A > C (True)
Hence, both conclusions are definitely true.

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06. Statements
I<J, K<L>M,J = K,G>H = I

Conclusions
I. H < J
II. J < G
A. if only conclusion I is true. B. if only conclusion II is true.
C. if either conclusion I or II is true. D. if neither conclusion I nor II is true.
E. if both the conclusions I and II are true.

Answer and Explanation

Answer: if only conclusion II is true.

Explanation:
Conclusions
I. H< J (False)
II. J<G (False)


Hence, neither conclusion I nor II is definitely true.

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07. Statements
I<J, K<L>M,J = K,G>H = I

Conclusions

I. L > J
II. J < M
A. if only conclusion I is true. B. if only conclusion II is true.
C. if either conclusion I or II is true. D. if neither conclusion I nor II is true.
E. if both the conclusions I and II are true.

Answer and Explanation

Answer: if only conclusion I is true.

Explanation:
Conclusions
I. L > J (True)
II. J<M (False)


Hence, only conclusion I is definitely true.

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