RRB Group D 2022-11-10-2022-1 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-11-10-2022-1 RRB Questions

21.
What is the scientific name of baking soda ?
A.
Sodium bicarbonate (NaHCO₃)
B.
Sodium sulphate (Naβ‚‚SOβ‚„)
C.
Sodium carbonate (Naβ‚‚CO₃)
D.
Sodium chloride (NaCl)
ANSWER :
A. Sodium bicarbonate (NaHCO₃)
22.
Simplify the following.
1 – 2 Γ— [ { –2(2 + 3) Γ— 20 } Γ· 2 ]
A.
-200
B.
-50
C.
-1/50
D.
201
ANSWER :
D. 201
23.
Shyam and Sundar can do a piece of work in 16 days and 24 days, respectively.
Shyam started the work alone and after 10 days, Sundar joined him and the duo worked together till the completion of the work. What was the total time taken for the work to be completed?
A.
13 (3/5) Days
B.
12 (3/5) Days
C.
15 (2/5) Days
D.
10 (3/5) Days
ANSWER :
A. 13 (3/5) Days
24.
Which of the following reactions is an example of a displacement reaction?
A.
3Fe (s) + 4Hβ‚‚O (l) β†’ Fe₃Oβ‚„ (s) + 2Hβ‚‚ (l)
B.
Zn (s) + CuSOβ‚„ (aq) β†’ ZnSOβ‚„ (aq) + Cu (s)
C.
2FeSOβ‚„ (s) β†’ Feβ‚‚O₃ (s) + SOβ‚‚ (g) + SO₃ (g)
D.
CaO (s) + Hβ‚‚O (l) β†’ Ca(OH)β‚‚ (aq) + Heat
ANSWER :
B. Zn (s) + CuSOβ‚„ (aq) β†’ ZnSOβ‚„ (aq) + Cu (s)
25.
If β€˜Γ·β€™ means β€˜+’, β€˜β€“β€™ means β€˜Γ·β€™, β€˜Γ—β€™ means β€˜β€“β€™, and β€˜+’ means β€˜Γ—β€™, what will come in place of the question mark (?) in the following equation?
6 + 7 – 8 Γ· 4 Γ— 2 = ?
A.
63
B.
74
C.
68
D.
60
ANSWER :
A. 63
26.
The present age of Arun is 1/3 of his uncle’s age.
After 5 years, the sum of their ages will be 86 years.
The present age of Arun is:
A.
21 years
B.
19 years
C.
23 years
D.
25 years
ANSWER :
B. 19 years
27.
Centre for Excellence of Classical Tamil was shifted from Mysore to Chennai in _____.
A.
2010
B.
2008
C.
2004
D.
2006
ANSWER :
B. 2008
28.
In this question, a group of letters is coded using numbers/symbols as per the table given below and the conditions which follow.
The correct combination of codes following the conditions is your answer.
Conditions:
(i) If a word has a vowel at the end, the vowel present at the end will be coded as 6.
(ii) If a word has more than 2 vowels, all the vowels will be coded as 8.
(iii) If a letter is present exactly twice in a word, it will be coded as 2 in both such places.
What will be the correct code for YELLOW?
A.
#82284
B.
#577%6
C.
#577%4
D.
#522%4
ANSWER :
D. #522%4
29.
Effective resistance of the parallel combination of two resistors with 2Ξ© and 3Ξ© resistance, respectively, is:
A.
8.3 Ξ©
B.
0.83 Ξ©
C.
5 Ξ©
D.
1.2 Ξ©
ANSWER :
A. 8.3 Ξ©
30.
A statement is given followed by four conclusions. Find out which conclusion is true based on the given statement.
Statement: L ≀ H = P > O > D β‰₯ S = U
Conclusions:
1. L ≀ P
2. U β‰₯ D
3.L > D
4.L > O
A.
1
B.
4
C.
3
D.
2
ANSWER :
A. 1