RRB NTPC General Intelligence and Reasoning 2 — Questions and Answers
Question 1: Which number should replace the question mark? 3, 9, 27, 81, ?
- 162
- 243 (Correct answer)
- 180
- 270
Correct answer: 243
Each term is multiplied by 3: 81 × 3 = 243.
Question 2: If A is the brother of B, B is the sister of C, C is the father of D, how is A related to D?
- Uncle (Correct answer)
- Father
- Brother
- Grandfather
Correct answer: Uncle
A is B's brother, B is C's sister (so A and C are siblings), and C is D's father, making A the uncle of D.
Question 3: A clock shows 3:15. What is the angle between the hour and minute hands?
- 0°
- 7.5° (Correct answer)
- 15°
- 30°
Correct answer: 7.5°
At 3:15, minute hand is at 90° and hour hand is at 97.5° (3×30 + 15×0.5), giving an angle of 7.5°.
Question 4: Select the missing term: ACE, BDF, CEG, ?
- DFH (Correct answer)
- EGI
- CFH
- DGI
Correct answer: DFH
Each group shifts one letter forward: A→B→C→D, C→D→E→F, E→F→G→H, giving DFH.
Question 5: If 'White' means 'Red', 'Red' means 'Blue', 'Blue' means 'Green', what is the color of grass?
- Green
- Blue (Correct answer)
- Red
- White
Correct answer: Blue
Grass is normally green, but 'Green' is coded as 'Blue', so the answer is Blue.
Question 6: In a row, Ram is 7th from the left and Shyam is 12th from the right. If there are 20 students, how many students are between them?
- 1 (Correct answer)
- 2
- 3
- 0
Correct answer: 1
Ram is position 7 from left, Shyam is position 9 from left (20−12+1=9), so 1 student is between them.
RRB NTPC General Intelligence and Reasoning 2
Which number should replace the question mark? 3, 9, 27, 81, ?