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

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.
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
ANSWER :
D. Biodegradable
23.
โ‚น5400 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.
โ‚น1235
B.
โ‚น947
C.
โ‚น1245
D.
โ‚น1080
ANSWER :
D. โ‚น1080
24.
By selling an article at 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%
ANSWER :
D. 79.2%
25.
Evaluate: 33 รท 9 ร— 3 - 2 ร— 4
A.
3
B.
6
C.
2
D.
5
ANSWER :
A. 3
26.
Which of the following reactions is an example of a precipitation reaction?
A.
CaCOโ‚ƒ โ†’ CaO + COโ‚‚
B.
HCl + NaOH โ†’ NaCl + Hโ‚‚O
C.
2Hโ‚‚ + Oโ‚‚ โ†’ 2Hโ‚‚O
D.
NaCl + AgNOโ‚ƒ โ†’ NaNOโ‚ƒ + AgCl
ANSWER :
D. NaCl + AgNOโ‚ƒ โ†’ NaNOโ‚ƒ + AgCl
27.
The climate of the Thar desert is best described as ________.
A.
temperate
B.
tropical rainforest
C.
humid subtropical
D.
arid
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.
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
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
ANSWER :
A. 31