Mental Ability MCQs for LDC
Practice 20 free mental ability multiple choice questions for LDC exam. Instant answers with explanations in Hindi and English.
Strengthen your Mental Ability knowledge for LDC with our free curated MCQ set. Every question follows real Rajasthan exam patterns. Switch between Hindi and English, and practice daily to build confidence before the exam.
LDC — Mental Ability
20 Questions • Instant results & explanations • Hindi & English
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Question 1 of 20
Pointing to a woman, a man says, "She is the sister-in-law of the only son of my grandmother's husband." How is the woman related to the man?
Question 2 of 20
If A + B means 'A is the mother of B'; A - B means 'A is the husband of B'; A × B means 'A is the son of B'; A ÷ B means 'A is the brother of B'. If Q ÷ U × K × H - D + J, then how is K related to J?
Question 3 of 20
In a defined word substitution cipher: 'Cloud' translates to 'White', 'White' translates to 'Sky', 'Sky' translates to 'Blue', 'Blue' translates to 'Black', and 'Black' translates to 'Green'. If an individual wants to refer to the color of milk in this coded environment, which word must they use?
Question 4 of 20
If A + B means 'A is the father of B'; A - B means 'A is the sister of B'; A × B means 'A is the brother of B'; A ÷ B means 'A is the mother of B'. If U + H × L - Q ÷ R - Y, then how is L related to Y?
Question 5 of 20
If Z=1, Y=2, X=3, and W=4, what will be the numerical value of the word 'CAB' using this specific logic?
Question 6 of 20
A student identifies that a series uses multiplication because the numbers grow rapidly. However, the exact multiples don't match. What additional step is advised by the standard puzzle rules?
Question 7 of 20
Consider a two-step coding process: First, find the opposite letter, then find its forward numerical position. What is the code for the letter 'C' under this system?
Question 8 of 20
Pointing to a photograph of a woman, a man says, 'She is the only daughter-in-law of my grandfather.' How is the woman related to the man?
Question 9 of 20
Consider the following statements: I. A number series based entirely on squares will show a rapid increase. II. A number series based on simple addition will show a rapid, exponential increase. Which of the statements given above is/are correct?
Question 10 of 20
Consider the following: A + B means A is the son of B. A - B means A is the wife of B. What does the expression P + R - Q mean?
Question 11 of 20
Assertion (A): A series displaying numbers 2, 3, 5, 7, 11 shows an addition of constant values between terms. Reason (R): 3-2=1, 5-3=2, 7-5=2, 11-7=4 does not yield a constant added value, indicating the series rule is prime numbers instead.
Question 12 of 20
Assertion (A): If a coding logic dictates that A becomes E and C becomes G, then the letter M will logically be coded as Q. Reason (R): The applied coding logic consistently shifts the original letter forward by exactly 4 alphabetical positions.
Question 13 of 20
If an individual points to a woman and states, 'She is the wife of my father's brother', what is the exact familial designation of this woman to the speaker?
Question 14 of 20
A family consists of six 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 sister of B. How is E related to D?
Question 15 of 20
If an individual points to a girl and states, 'She is the daughter of the only son of my grandfather', what is the relationship of the girl to the individual?
Question 16 of 20
Consider the following assertions regarding the nature of connections within a family diagram: I. The 'Sasur' (Father-in-law) is related to the reference individual primarily through consanguinity (shared bloodline). II. The 'Chacha' (Paternal Uncle) is related to the reference individual primarily through affinity (marital bond). Which of the statements given above is/are factual?
Question 17 of 20
Match List I (Family Tie) with List II (Standard Designation): List I A. The mother of a father B. The father of a mother C. The wife of a brother D. The husband of a mother's sister List II 1. Nana 2. Dadi 3. Mausa 4. Bhabhi Codes:
Question 18 of 20
Assertion (A): Identifying whether a series alternates between increasing and decreasing can help immediately filter the possible mathematical operations involved. Reason (R): Alternating patterns strictly narrow the possibilities to either alternating add/sub or alternating mult/div, based on the magnitude of change.
Question 19 of 20
If A + B means A is the father of B; A - B means A is the mother of B; A * B means A is the brother of B; A / B means A is the sister of B. In the expression A + B * C - D, how is A related to D?
Question 20 of 20