List of top Logical Reasoning Questions

If ‘A ” B’ means ‘add B to A’, ‘A ’ B’ means ‘subtract B from A’, ‘A # B’ means ‘divide A by B’ and ‘A ① B’ means ‘multiply A by B; which of the following gives the average sales of two days where S¹ and S² are the sales of the first and the second day respectively ?

If P + Q means P is the husband of Q; P ÷ Q means P is the sister of Q and P \(\times\) Q means P is the son of Q, which of the following shows A is the daughter of B?

Consider the given statement
Statement: Man is born free.
Assumptions: X. Freedom is the birthright of man. Y. All humans have human rights.

Pointing to a photograph, a lady tell Pramod, “I am the only daughter of this lady and her son is your maternal uncle.” How is the speaker related to Pramod’s father?

In this question select the alternative which will come in place of (?)
Computer : fqprxvht : : Language : ?

In the question, two statements are followed by two inferences. Mark your answer as:-
All Peter are Piper. Some Pickle are Piper
I. Some Peter are Pickle
II. Some Pickle are Peter

The questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give your answer as
What will be the area of a plot in sq. metres?
I. The length of that plot is 1\(\frac{1}{3}\) times the breadth of that plot.
II. The diagonal of that plot is 30 metres?

The questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give your answer as
What will be the cost of the second necklace?
I. The cost of the first necklace is \(\frac{1}{5}\) more than the second and the cost of the third necklace is \(\frac{2}{5}\) more than the second. The total cost of all the three neckless is Rs. 1,20,000.
II. The cost of the first necklace \(\frac{2}{5}\) more than the second. The cost of the third necklace is the least and total cost of all the three necklaces is Rs. 1,20,000.

The questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give your answer as
What was the ratio between the ages of P and Q four years ago?
I. The ratio between the present ages of P and Q 3:4.
II. The ratio between the present ages of Q and R is 4 : 5.

The questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give your answer as
Which is the two-digit number?
I. The number obtained by interchanging the digits is smaller than the original number by 63.
II. Sym of the digits is 11.

The questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give your answer as
What will be the average weight of the remaining class?
I. Average weight of 30 children out of total 46 in the class is 22.5 kg and that of the remaining children is 29.125 kg. A child having weight more than 40 kg is excluded.
II. Average weight of a class of 46 children is 23.5 kg. A child weighting 46 is dropped out.

The questions below consists of a question and three statements numbered I, II and II given below it. You have to study the questions and decide that the data in which of the statements are sufficient to answer the questions.
Who earns most among M, N, P, Q and R?
I. M earns less than P but not less than R.
II. Q earns more than M but not equal to N.
III. N earns more than M and R.

The questions below consists of a question and three statements numbered I, II and II given below it. You have to study the questions and decide that the data in which of the statements are sufficient to answer the questions.
In how many days can 10 women finish a work?
I. 10 men can complete the work in 6 days.
II. 10 men and 10 women together can complete the work in 3 \(\frac{3}{7}\) days.
III. If 10 men work for 3 days and thereafter 10 women replace them, the remaining work is completed in 4 days.

The questions below consists of a question and three statements numbered I, II and II given below it. You have to study the questions and decide that the data in which of the statements are sufficient to answer the questions.
What is the per cent profit earned by a shopkeeper on selling the articles in his shop?
I. Labelled price of the articles sold was 130\(\%\) of the cost price.
II. Cost price of each article was Rs. 550.
III. A discount of 10\(\%\) on labelled price was offered.

The following question is asked followed by three statements. You have to study the question and all the three statements given and decide whether any information provided in the statement(s) is/are redundant and not required while answering the question.
P, Q and R together invested an amount of Rs. 20,000 in the ratio of 5:3:2. What was the per cent profit earned by them at the end of one year?
A. Q’s share in the profit is Rs. 2,400.
B. The amount of profit received by P is equal to the amount of profit received by Q and R together.
C. The amount of profit received by Q and R together is Rs. 4,000.

The following question is asked followed by three statements. You have to study the question and all the three statements given and decide whether any information provided in the statement(s) is/are redundant and not required while answering the question.What will be the cost of fencing a circular plot? \((r=\frac{22}{7})\)
A. Area of the plot is 616 sq. m.
B. Cost of fencing a rectangular plot whose perimeter is 120m is Rs. 780.
C. Area of a square plot with side equal to the radius of the circular plot is 196. sq.m.

If MACHINE is coded as 19-7-9-14-15-20-11, now will you code DANGER?

In the number series only one number is wrong. Find out the wrong number.
3 7 16 32 57 96 142

The extent to which a society is really free can be gauged by its attitude towards artistic expression. Freedom of expression can easily be violated in even the most outwardly democratic of societies. When a government arts council withholds funding from a dance performance that its members deem “obscene”, the voices of a few bureaucrats have in fact censored the real obscenity of repression.
Which of the following, if true, would most seriously weaken the argument above?

The increase in the number of newspaper articles exposed as fabrications serves to bolster the contention that publishers are more increased in boosting circulation than in printing the truth. Even minor publications have staff to check such obvious fraud.
The argument above assumes that

Recent surveys show that many people who have left medical school before graduating suffer from depression. Clearly, depression is likely to cause withdrawal from medical school.
Which of the following, if true, would most strengthen the conclusion above?

A brochures for City X highlights the reasons why residents should move there rather than to other cities in the state. One reason that the brochure mentions is the relative ease of finding a job in City X, where the unemployment rate is 4.7 percent.
Which of the following statements, if true, casts the maximum doubt on the validity of the reason to move to City X mentioned above?

What should come in place of question mark (?) in the following questions?
(7159 + 6382 + 1156) ÷ (543 + 499 + 615) = ?