List of top Logical Reasoning Questions on Logical Operation

If A means +,
B means -,
C means ×,
D means ÷,
then what will be found after solving series?
There are six members in a family P, Q, R, S, T, and U. Q is the son of R, but R is not the mother of Q. P and R are a married couple. T is the brother of R. U is the brother of Q. S is the daughter of U. Who is the grandfather of S?
\( a * b = (a + b - 1)^2 - 1 \rightarrow (1 * 2) * (3 * 3) = ? \)
If ST - OP = 8 then SP - OT = ?

If '@' means ‘×’, ‘C’ means ‘+’, ‘%' means ‘+’ and ‘$’ means ‘−’, then what is the value of
6%12C3@8$3?

Which number will come at the place of E in the given pattern? 

If $(2^{32} + 1)$ is exactly divisible by a certain number, which of the following is also definitely divisible by the same number?
After your graduation, you are offered a well-paid government job. However, your friend says you have to pay a bribe to get the appointment order. You:

The number of squares in the given figure is: 

The number that comes in place of ? is: 

The diagram below shows number of students who got distinction in three subjects out of 500. What is the percentage of students who got distinction in two subjects? 

How many days will there be from 26th January 2020 to 15th May 2020 (both days included)?

The number which lies in place of ? is: \[ \begin{array}{|c|c|c|} \hline 1 & 3 & 5 \\ 5 & 12 & 15 \\ 25 & 48 & ? \\ \hline \end{array} \]
In a class tournament, each of eight players will play exactly once. How many matches will be played during the tournament?
Arun said "This girl is the wife of the grandson of my mother", who is Arun to the girl?
A cube is painted Blue on all faces and is then cut into 125 cubes of equal size. How many cubes are not painted on any face?
If Q means 'add to', J means 'multiplied by', T means 'subtract from' and K means 'divide by', then: 30 K 2 Q 3 J 6 T 5 = ?
If A, B, C, D, E, F, G, H, I, J represent 0 to 9 respectively, then: (AB + CD) - GH = ?
In what time at simple interest will a sum of money triple itself at 10% per annum?
If the radius of a circle is increased by 20%, what is the percentage increase in the area?
John is standing at the South East corner of a rectangular field. He starts crossing the fields diagonally. After walking half the distance, he turns right, walks some distance and turns left. Which direction is John facing now?
If + means multiplied by, - means divided by, * means plus and / means minus then: (18 + 10 × 20) - 8 ÷ 6 = ?
If ABC is coded as 6, EFG is coded as 210, then JIM can be coded as:
In the given number series, one of the numbers is not belonging to that series, the number is: 3F, 6G, 11L, 18L, ?
One year ago, a man was 8 times as old as his daughter. Now his age is equal to the square of his daughter's age. The present age of the daughter is: