Logical Reasoning
GATE CSE & IT · Blood Relations · 2015-2026
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Rosen — Discrete Mathematics and Its Applications
Discrete structures, counting, relations, graph theory
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All concepts →'When the teacher is in the room, all students stand silently.' If the above statement is true, which one of the following statements is not necessarily true?
In Panel I of the figure below, the front view and top view of a structure are shown. Which one of the 3D structures shown in Panel II possesses the views shown in Panel I?
In the 2020 summer Olympics' Javelin throw finals, Neeraj Chopra exhibited a spectacular performance to win the gold medal. The silver medal was won by Jakub Vadlejch and the bronz...
The figure in Panel I below is a grid of cells with four rows and four columns. The numbers on the top and on the left represent the number of cells that are to be shaded in that c...
Consider the relationships among P, Q, R, S, and T: * P is the brother of Q. * S is the daughter of Q. * T is the sister of S. * R is the mother of Q. The following statements are...
If IMAGE and FIELD are coded as FHBNJ and EMFJG respectively then, which one among the given options is the most appropriate code for BEACH ?
Given below are four statements : Statement 1 : All students are inquisitive. Statement 2 : Some students are inquisitive. Statement 3 : No student is inquisitive. Statement 4 : So...
Six students P, Q, R, S, T and U, with distinct heights, compare their heights and make the following observations: Observation I : S is taller than R. Observation II : Q is the sh...
Three of the five students allocated to a hostel put in special requests to the warden. Given the floor plan of the vacant rooms, select the allocation plan that will accommodate a...
The police arrested four criminals - P, Q, R and S. The criminals knew each other. They made the following statements: P says "Q committed the crime." Q says "S committed the crime...
There are five buildings called V, W, X, Y and Z in a row (not necessarily in that order). V is to the West of W. Z is to the East of X and the West of V. W is to the West of Y. Wh...
There are three boxes. One contains apples, another contains oranges and the last one contains both apples and oranges. All three are known to be incorrectly labelled. If you are p...
Rahul, Murali, Srinivas and Arul are seated around a square table. Rahul is sitting to the left of Murali. Srinivas is sitting to the right of Arul. Which of the following pairs ar...
All hill-stations have a lake. Ooty has two lakes. Which of the statement(s) below is/are logically valid and can be inferred from the above sentences? $$\,\,\,\,\,\,\,\,\,$$$$(i)$...
Consider the following statements relating to the level of poker play of four players $$P, Q, R$$ and $$S.$$ $$\,\,\,\,\,\,\,\,\,{\rm I}.\,\,\,\,\,\,\,\,$$ P always beats Q $$\,\,\...
If ‘relftaga’ means carefree, ‘otaga’ means careful and ‘fertaga’ means careless, which of the following could mean ‘aftercare’ ?
The given statement is followed by some courses of action. Assuming the statement to be true, decide the correct option. Statement: There has been a significant drop in the water l...