List of top Logical Reasoning Questions

A sequence is defined as follows: \( a_1 = 1, a_2 = 2 \), and \( a_n = a_{n-1} + a_{n-2} \) for \( n \geq 3 \). What is the 6th term of the sequence?

Statement: All flowers are beautiful. Some beautiful things are fragile.
Conclusion I: Some flowers are fragile. 
Conclusion II: All beautiful things are flowers.

Which number comes next in the series? 3, 6, 11, 18, 27, ?
Pointing to a photograph, a man says, "I have no brothers or sisters, but the father of the person in the photograph is my father’s son." Who is the person in the photograph?
Identify the next number in the series: 2, 6, 12, 20, ?

If it was a Friday on 15th September 2023, then what will be the day on 20th September 2024?

'A' ranks 12th in a rank list of 46 students. What will be the rank of 'A' from the last?
A family consists of members A, B, C, D, E and F. B is the son of C but C is not the mother of B. A and C are a married couple. E is the brother of C. D is the daughter of A. F is the brother of A. How many female members are there in the family?

Find the missing number from the given options:

Find the wrong term in the letter-number series: Q1F, S2E, U6D, W12C, Y88B
If out of a total 120 students in a school, 5% can play all 3 sports – cricket, hockey and kho-kho, also the number of students who can play any 2 and only 2 of the above sports is 30 and the students who can play only cricket is 40, then what is the total number of students who can play only hockey or kho-kho alone?
Which of the following will replace the question mark (?) in the series AZ, GT, MN, ?, YB
Find the missing term in the following series: 1, 3, 4, 9, ___, 27, 10
What is the angle between the hour and the minute hand when the time is 3:25?
Directions: For the Assertion (A) and Reason (R) given below, choose the correct alternative:
Assertion (A): Nuclear fusion is used to generate electricity.
Reason (R): Nuclear power is not used because it cannot be controlled.
Five friends P, Q, R, S and T travelled to five different cities of Chennai, Kolkata, Delhi, Bengaluru and Hyderabad by five different modes of transport of Bus, Train, Aeroplane, Car and Boat from Mumbai. The person who travelled to Delhi did not travel by boat, R went to Bengaluru by Car and Q went to Kolkata by aeroplane. S travelled by boat whereas T travelled by train. Mumbai is not connected by bus to Delhi and Chennai.
Which of the following combinations of person and mode is not correct?

A, B, C, D, E and F are cousins. No two cousins are of the same age, but all have birthdays on the same date. The youngest is 17 years old and the oldest, E, is 22 years old. F is somewhere between B and D in age. A is older than B; C is older than D. Which of the following is not possible?

Kashish goes 30 metres North, then turns right and walks 40 metres, then again turns right and walks 20 metres, then again turns right and walks 40 metres. How many metres is she from her original position?

How many pairs of letters are there in the word 'LANGUISH' which have the same letters between them in the word as in the alphabet?

Given that:
(i) A is the mother of B
(ii) C is the son of A
(iii) D is the brother of E
(iv) E is the daughter of B
The grandmother of 'D' is:
If \( A + B \) means A is the sister of B;
A - B means A is the brother of B;
A \( \times \) B means A is the daughter of B;
Then which of the following shows the relation that 'E' is the maternal uncle of 'F'?
Which would be the proper order of the following in ascending order?
Trillion
Thousand
Billion
Hundred
Million
If the last four letters of the word 'CONCENTRATION' are written in reverse order followed by next two in the reverse order and next three in the reverse order, counting from the end, which letter would be eighth in the new arrangement?
Fill in the blanks (in sequence): c - bbb - abbbb - abbb -

What is 'X' in the following table?