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

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

1.
Write the expanded form of (6a + 2b + 7c)².
A.
36a² + 4b² + 49c² + 28ab + 28bc + 84ac
B.
36a² + 4b² + 49c² + 24ab + 28bc + 94ac
C.
36a² + 4b² + 49c² + 24ab + 23bc + 84ac
D.
36a² + 4b² + 49c² + 24ab + 28bc + 84ac
ANSWER :
D. 36a² + 4b² + 49c² + 24ab + 28bc + 84ac
2.
What will come in the place of the question mark (?) in the following equation, if '+' and '−' are interchanged and '×' and '÷' are interchanged?
34 ÷ 33 × 22 + 19 − 40 = ?
A.
74
B.
72
C.
73
D.
70
ANSWER :
B. 72
3.
Two sets of numbers are given below. In each set of numbers, certain mathematical operation(s) on the first number result(s) in the second number. Similarly, certain mathematical operation(s) on the second number result(s) in the third number and so on. Which of the given options follows the same set of operations as in the given sets?
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits.)
19-57-114-134; 21-63-126-146
A.
18-54-108-118
B.
17-51-102-112
C.
20-60-120-180
D.
16-48-96-116
ANSWER :
D. 16-48-96-116
4.
Tapan starts from Point A and drives 8 km towards the south. He then takes a right turn, drives 5 km, turns right and drives 12 km. He then takes a right turn and drives 9 km. He takes a final right turn, drives 4 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are 90° turns only unless specified.)
A.
4 km to the west
B.
7 km to the west
C.
5 km to the west
D.
6 km to the west
ANSWER :
A. 4 km to the west
5.
Which of the following statements is/are correct?
1) Nari Shakti Vandan Adhiniyam was introduced in 2023.
2) Nari Shakti Vandan Adhiniyam ensures 33% reserved seats for women in the Parliament, Legislative Assemblies and Delhi Assembly.
3) Nari Shakti Vandan Adhiniyam will be in force for 10 years only.
A.
1 only
B.
1 and 3
C.
2 and 3
D.
1 and 2
ANSWER :
C. 2 and 3
6.
Which synthetic chemicals are responsible for the depletion of ozone in the atmosphere?
A.
Chlorofluorocarbons (CFCs)
B.
Methane
C.
Carbon dioxide
D.
Nitrogen oxides
ANSWER :
A. Chlorofluorocarbons (CFCs)
7.
In the reaction CuO + H₂ → Cu + H₂O, the substance reduced is:
A.
CuO
B.
H₂O
C.
H₂
D.
Cu
ANSWER :
A. CuO
8.
What is the median of the following data?
78, 33, 59, 56, 61, 36, 48, 42, 97, 57, 62
A.
56.5
B.
58
C.
57
D.
57.5
ANSWER :
C. 57
9.
Which of the following can be minimised through the implementation of proper sewage treatment?
A.
Air pollution
B.
Noise pollution
C.
Soil pollution
D.
Water pollution
ANSWER :
D. Water pollution
10.
Two numbers are in the ratio 5 : 8. If the first number is increased by 13 and the second number is decreased by 6, then the ratio becomes 4 : 6. What is the sum of the original two numbers?
A.
650
B.
681
C.
665
D.
663
ANSWER :
D. 663