Logic, Verbal Reasoning - Logical Deduction Questions and Answers

Q:

Choose the most essential part for the word given below from the following options ?

Shoe

A) Lace	B) Sole
C) Leather	D) Walking

Answer & Explanation Answer: B) Sole

Explanation:

All shoes have a sole of some sort.Not all shoes are made of leather (choice b); nor do they all have laces (choice c).Walking (choice d) is not essential to a shoe.

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Q:

A group of six cousins are sitting around a hexagonal table, each one at one corner of the hexagon. (facing the centre inside) Raju is sitting opposite to Rohan. Sweety is sitting next to Navya. Aadya is sitting opposite to Navya, but not next to Kalyan. Karthik has a person sitting between Rohan and himself. If Sweety sits to the right of Karthik, then who is sitting to the left of Karthik ?

A) Aadya	B) Kalyan
C) Raju	D) Rohan

Answer & Explanation Answer: C) Raju

Explanation:

Suppose Sweety is sitting between Rohan and Karthik such that she is to the right of him.....then as Raju is opposite to Rohan then Raju must be to the left of Karthik.

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Q:

If 15 men 4 hours per day works for 14 days get Rs.35/- then how many men required if the work is 8 hours per day for 10 days they get 50/- ?

A) 12	B) 13
C) 14	D) 15

Answer & Explanation Answer: D) 15

Explanation:

We know $\frac{M 1 \times D 1 \times H 1}{W 1} = \frac{M 2 \times D 2 \times H 2}{W 2}$

=> $\frac{15 \times 4 \times 14}{35} = \frac{M \times 8 \times 10}{50}$

=> M = 15

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Q:

Choose the option which indicates a valid argument containing logically related statements that is, where the third statement is a conclusion drawn from the preceding two statements.

A. Some straight forward things are people

B. All Perennial things are cats

C. Only cats are Perennial

D. All Perennial things are People

E. Some Straight forward things are cats

F. Some Straight forward things are Perennial

A) BCA	B) CFD
C) DFA	D) EAB

Answer & Explanation Answer: C) DFA

Explanation:

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Q:

In an objective competitive exam, a correct answer score 4 marks and on a wrong answer 2 marks are negatively added. A student scores 420 marks from 150 question. How many answers were correct ?

A) 145	B) 138
C) 125	D) 120

Answer & Explanation Answer: D) 120

Explanation:

let x be the correct answer and y be the wrong answer
so the total number of questions is (x + y) = 150.....(1)
=> 4x - 2y = 420.....(2)
By solving (1) & (2), we get
=> 6x = 720
hence x = 120
Therefore, number of correct answers are 120.

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