RRB NTPC Critical Reasoning Questions

All flowers are plants. All plants need water. Based on these statements, which conclusion must be true? A) All flowers need water B) Some flowers need water C) No flowers need water D) Water is needed by all living things

A data processor receives the input 'LOGIC' and applies this rule: Each letter is replaced by the letter that comes 2 positions after it in the alphabet (A→C, B→D, ..., Y→A, Z→B). What is the output?

Read the following statements carefully and answer the question. Statements: 1. All teachers are educated. 2. Some educated people are not disciplined. 3. No disciplined person is lazy. Which of the following conclusions is definitely true? A) All teachers are disciplined. B) Some teachers are lazy. C) Either all teachers are disciplined OR some teachers are not disciplined. D) No teacher is lazy.

A machine processes input numbers through the following steps: Step 1: Multiply the input by 2 Step 2: Add 5 to the result Step 3: Divide by 3 If the input is 10, what is the final output?

A factory receives an input of 100 items. The processing follows these rules: - Remove 20% of items in Stage 1 - Remove 10 items in Stage 2 - Double the remaining items in Stage 3 How many items are output after all three stages?

A sequence machine takes an input number and applies these rules in order: 1. If the number is even, divide by 2; if odd, multiply by 3 and add 1 2. Repeat the rule from step 1 on the new number 3. Stop when you reach 1 How many times is a rule applied to the input 8 before reaching 1?

Given: A ≥ B, B > C, C ≥ D, D < E, E ≤ F. Which of the following is DEFINITELY FALSE?

Some doctors are surgeons. All surgeons are highly skilled. Which of the following conclusions is definitely valid? A) All doctors are highly skilled B) Some doctors are highly skilled C) No doctors are highly skilled D) All highly skilled people are surgeons

Heavy rainfall in the mountains caused flooding in the nearby villages. Which of the following is a direct EFFECT of this flooding? A) The mountains received more rainfall B) Villagers had to evacuate their homes and move to higher ground C) The rainfall stopped after three days D) The government decided to build dams in the future

Given: P ≤ Q, Q < R, R ≥ S, S > T, T ≤ U. Which conclusion is DEFINITELY FALSE?

In a coding system, every letter is replaced by the number of its position in the alphabet (A=1, B=2, C=3, etc.). The output is the sum of all numbers. What is the output for the word 'CAB'?

Given: A > B, B ≥ C, C > D, D = E, E < F. Which of the following conclusions is definitely TRUE?

Given: P ≤ Q, Q < R, R ≥ S, S > T, T ≥ U. Which conclusion is DEFINITELY FALSE?

Given: X < Y, Y ≤ Z, Z > W, W ≥ V, V < X. Which conclusion is DEFINITELY TRUE?

Given: A ≤ B, B < C, C ≥ D, D > E, E ≤ F. Which of the following is DEFINITELY FALSE?

A hospital is facing a critical shortage of beds during peak patient admission hours. The emergency ward is overcrowded, and patients are waiting for hours. Which of the following is the most appropriate course of action?

All teachers are educated. Some educated people are kind. Based on these statements, which of the following conclusions is definitely true? A) All teachers are kind B) Some teachers are kind C) No teachers are kind D) Either all teachers are kind or no teachers are kind

No reptiles are mammals. All snakes are reptiles. Which of the following conclusions is valid? A) All snakes are mammals B) Some snakes are mammals C) No snakes are mammals D) Some snakes are not mammals

Given: M ≥ N, N > O, O ≤ P, P < Q, Q = R. Which of the following is INDETERMINATE (cannot be determined)?

A machine processes input numbers through the following steps: Step 1: Multiply the input by 2 Step 2: Add 5 to the result Step 3: Divide by 3 If the final output is 7, what was the original input?

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