RRB Technician 2024 (Grade 3) Previous Year Paper (24-Dec-2024) (Shift 3)

Question 1

The following equation is an example of which type of reaction? CuSO₄ + 2NaOH &rarr; Cu(OH)₂ + Na₂SO₄

Accepted Answer

Double displacement reaction

Answer

Neutralisation reaction

Answer

Combination reaction

Answer

Combustion reaction

Question 2

75 &times; 75 &ndash; 2 &times; 75 &times; 25 + 25 &times; 25 is equal to:

Accepted Answer

2500

Answer

10000

Answer

6250

Answer

7500

Question 3

Two pipes A and B can fill a tank in 15 minutes and 20 minutes, respectively. Both the pipes are opened together but after 4 minutes, pipe A is turned off. What is the total time required to fill the tank?

Accepted Answer

14 min 40 sec

Answer

12 min 30 sec

Answer

10 min 20 sec

Answer

11 min 45 sec

Question 4

Seven boxes A, B, C, L, X, Y, and Z are kept one over the other but not necessarily in the same order. A is kept immediately above B. Z is kept immediately above C. Only X is kept above Y. Only two boxes are kept above A. Z is not kept at the third position from the bottom. How many boxes are kept between L and X?

Accepted Answer

Three

Answer

One

Answer

Four

Answer

Two

Question 5

Involuntary actions including blood pressure, salivation, and vomiting are controlled by:

Accepted Answer

the medulla in the hind-brain

Answer

only the spinal cord

Answer

the cerebellum in the fore-brain

Answer

only the heart

RRB Technician 2024 (Grade 3) Previous Year Paper (24-Dec-2024) (Shift 3)

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