RRB JE 2024-18-12-2024-1 RRB Question Paper

RRB JE 2024 Question Papers

RRB JE 2024-18-12-2024-1 RRB Questions

21.
What happens to the resistance of most conductors as their temperature increases?
A.
It increases.
B.
It remains the same.
C.
It decreases.
D.
It becomes zero.
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ANSWER :
A. It increases.
22.
Which attribute of a paper cup makes it better than a plastic cup for our environment?
A.
Disposable
B.
Not disposable
C.
Non-biodegradable
D.
Biodegradable
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ANSWER :
D. Biodegradable
23.

₹5,400 were divided among P, Q and R, such that 6 times of P = 3 times of Q = 8 times of R. Find the share of R.

A.

₹1,235

B.

₹947

C.

₹1,245

D.

₹1,080

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ANSWER :

D. ₹1,080

24.

By selling an article at \( \frac{5}{14} \) of its actual selling price, Hitesh incurs a loss of 20%. If he sells it at 80% of its actual selling price, then the profit percentage is:

A.

81.2%

B.

80.7%

C.

81.9%

D.

79.2%

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ANSWER :

D. 79.2%

25.
Evaluate: 33 ÷ 9 × 3 - 2 × 4
A.
3
B.
6
C.
2
D.
5
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ANSWER :
A. 3
26.
Which of the following reactions is an example of a precipitation reaction?
A.
CaCO₃ → CaO + CO₂
B.
HCl + NaOH → NaCl + H₂O
C.
2H₂ + O₂ → 2H₂O
D.
NaCl + AgNO₃ → NaNO₃ + AgCl
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ANSWER :
D. NaCl + AgNO₃ → NaNO₃ + AgCl
27.
The climate of the Thar desert is best described as ________.
A.
temperate
B.
tropical rainforest
C.
humid subtropical
D.
arid
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ANSWER :
D. arid
28.
What is the reason for CFC free refrigerators being manufactured for use throughout the world?
A.
CFC is a synthetic chemical which depletes the ozone layer.
B.
CFC is cheap for use in refrigerators.
C.
CFC is tough to handle for the refrigeration industry.
D.
CFC makes refrigeration a tough process.
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ANSWER :
A. CFC is a synthetic chemical which depletes the ozone layer.
29.
B is the father of A. C is the brother of A. D is the wife of C and E is the son of D. How is B related to E?
A.
Father's father
B.
Father's brother
C.
Father
D.
Brother
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ANSWER :
A. Father's father
30.
Himani travels a distance of 352 km with speed of 32 km/h and 330 km with 30 km/h by her car. Find the average speed (in km/h) of Himani.
A.
31
B.
39
C.
21
D.
26
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ANSWER :
A. 31