RRB NTPC General Intelligence and Reasoning 2

Question 1

Which number should replace the question mark? 3, 9, 27, 81, ?

Accepted Answer

243

Answer

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?

Accepted Answer

Uncle

Answer

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?

Accepted Answer

7.5°

Answer

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, ?

Accepted Answer

DFH

Answer

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?

Accepted Answer

Blue

Answer

Grass is normally green, but 'Green' is coded as 'Blue', so the answer is Blue.

RRB NTPC Practice Test