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Mental Ability MCQs for Rajasthan SI

Practice 20 free mental ability multiple choice questions for Rajasthan SI exam. Instant answers with explanations in Hindi and English.

Strengthen your Mental Ability knowledge for Rajasthan SI 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.

Rajasthan SI — Mental Ability

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

M and N are brothers. P and Q are sisters. M's son is Q's brother. How is N related to P?

Question 2 of 20

Match List I (Family Tie) with List II (Standard Designation): List I A. Husband of mother's sister B. Wife of father's brother C. Husband of father's sister D. Wife of mother's brother List II 1. Fufa 2. Mausa 3. Mami (Implicit counterpart) 4. Chachi Codes:

Question 3 of 20

If P + Q means P is the husband of Q; P / Q means P is the sister of Q; P * Q means P is the son of Q; P - Q means P is the mother of Q. In the expression A * B - C / D + E, how is A related to E?

Question 4 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 5 of 20

If the numbers in a series are increasing at a normal rate, which mathematical operation is the series most likely based on?

Question 6 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 7 of 20

If an individual makes the statement, 'She is the only daughter-in-law of my paternal grandfather', and assuming the grandfather has exactly one son, who is the woman in relation to the individual speaking?

Question 8 of 20

Match List I (Family Tie) with List II (Standard Hindi Kinship Term): List I A. Brother of Wife B. Sister of Wife C. Husband of Sister D. Wife of Brother List II 1. Bhabhi 2. Jija 3. Sala 4. Sali Codes:

Question 9 of 20

In a specific coding mechanism, 'TANU' is represented as '20-1-14-21'. Based on this exact logic, how would the word 'MAN' be coded?

Question 10 of 20

Which of the following is NOT a typical sign of a subtraction-based series?

Question 11 of 20

Parmila is the granddaughter of Akun who is married to Nikita. Murali is the brother-in-law of Akun who has two daughters but no son. Rahul is the cousin of Kamal and brother of Parmila. Uday and Vanmay are the sons-in-law of Nikita. Vanmay is married to Yamini and they have two daughters and one son. Uday has one son and one daughter. Tina and Smita are the daughters of Yamini. Murali is unmarried. How is Yamini related to Rahul?

Question 12 of 20

If 'A & B' means A is the mother of B, 'A * B' means A is the father of B, 'A @ B' means A is the brother of B, 'A $ B' means A is the sister of B. In the expression 'P $ Q * R @ S & T', how is P related to T?

Question 13 of 20

If the word 'RAM' is coded as '18-1-13', what is the specific rule applied in this coding system?

Question 14 of 20

Select the option that depicts the correct mirror image of the following figure. If the mirror is kept at MN. The figure contains letters 'gb AC'.

Question 15 of 20

If Z identifies W as the 'wife of the only son of my grandfather', who is W in relation to Z?

Question 16 of 20

Assertion (A): The sequence 'Z-1, Y-2, X-3' represents a reverse alphabetical coding rule. Reason (R): Reverse alphabetical coding assigns the highest numerical value (26) to the first letter of the alphabet (A).

Question 17 of 20

If A + B means A is the brother of B; A - B means A is the husband of B; A x B means A is the mother of B; A / B means A is the sister of B. Which of the following expressions means 'P is the maternal uncle of Q'?

Question 18 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 19 of 20

Match List I (Descriptive Relationship) with List II (Standard Hindi Kinship Term): List I A. Mother's brother's daughter B. Father's sister's son C. Brother's wife D. Sister's husband List II 1. Jija 2. Bhabhi 3. Mameri bahen (Implied cousin) 4. Fufera bhai Codes:

Question 20 of 20

Assertion (A): Constant practice is considered the most effective method for mastering number puzzles. Reason (R): The mathematical operations and rules applied vary significantly from one question to another.

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