RRB JE 2024-18-12-2024-2 RRB Question Paper

RRB JE 2024 Question Papers

RRB JE 2024-18-12-2024-2 RRB Questions

21.
B, C, E, F and H have different heights. Only C is taller than B. E is taller than H. Only two people have heights between F and C. How many people have heights between H and B?
A.
Two
B.
One
C.
Three
D.
Four
😑 View Answer Rough Work
ANSWER :
A. Two
22.
Find the value of sin²63° + sin²27° + cos²17° + cos²73° + cos²90°.
A.
1
B.
2
C.
−1
D.
0
😑 View Answer Rough Work
ANSWER :
B. 2
23.
Mahatma Gandhi started his famous 'Salt march' accompanied by _________ of his trusted volunteers.
A.
51
B.
94
C.
39
D.
78
😑 View Answer Rough Work
ANSWER :
D. 78
24.
If A's salary is 72% more than that of B, then how much percent is B's salary less than that of A (correct to 2 decimal places)?
A.
44.19%
B.
41.86%
C.
45.3%
D.
44.24%
😑 View Answer Rough Work
ANSWER :
B. 41.86%
25.
Which reactants are used to prepare bleaching powder?
A.
Lime and sulphuric acid
B.
Calcium hydroxide and hydrochloric acid
C.
Chlorine gas and dry calcium hydroxide
D.
Chlorine and water
😑 View Answer Rough Work
ANSWER :
C. Chlorine gas and dry calcium hydroxide
26.
Which process ensures half the amount of DNA in reproductive cells as compared to non-reproductive cells?
A.
Amitosis
B.
Meiosis
C.
Cytokinesis
D.
Mitosis
😑 View Answer Rough Work
ANSWER :
B. Meiosis
27.
In the context of Buddhist architecture, what is a 'chaitya'?
A.
A decorative column
B.
A residential space for monks
C.
A hall for prayer and assembly
D.
A type of stupa
😑 View Answer Rough Work
ANSWER :
C. A hall for prayer and assembly
28.
The product of the reaction between ethanol and acetic acid is:
A.
acetate
B.
ester
C.
methanol
D.
ethanal
😑 View Answer Rough Work
ANSWER :
B. ester
29.
Baking soda, commonly used in households, is also known by its chemical name:
A.
calcium carbonate
B.
sodium carbonate
C.
sodium bicarbonate
D.
magnesium hydroxide
😑 View Answer Rough Work
ANSWER :
C. sodium bicarbonate
30.
When a solution contains an equal number of H⁺ and OH⁻ ions, then the pH of the solution is:
A.
pH > 12
B.
pH < 3
C.
pH > 3 but < 5
D.
pH = 7
😑 View Answer Rough Work
ANSWER :
D. pH = 7