RRB Group D 2022-18-8-2022-1 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-18-8-2022-1 RRB Questions

21.
Given below are three statements and three conclusions. Take the statements to be true even if they are at variance with commonly known facts, and decide whether the conclusion(s) follows from the given statements.
Statements:
I. All grasses are shrubs.
II. All roots are fruits.
III. All fruits are flowers.
Conclusions:
I. All grasses are flowers.
II. All roots are flowers.
III. Some flowers are fruits.
A.
All the conclusions follow
B.
Only conclusion I follows
C.
Conclusions II and III follow
D.
Only conclusion III follows
😑 View Answer Rough Work
ANSWER :
C. Conclusions II and III follow
22.
Identify the correct chemical reaction involved in bleaching powder preparation.
A.
2 NaCl (aq) + 2 H₂O (l) → 2 NaOH (aq) + Cl₂ (g) + H₂ (g)
B.
NaCl + H₂O + CO₂ + NH₃ → NH₄Cl + NaHCO₃
C.
Ca(OH)₂ + Cl₂ → CaOCl₂ + H₂O
D.
NaHCO₃ + H⁺ → CO₂ + H₂O + Sodium salt of acid
😑 View Answer Rough Work
ANSWER :
C. Ca(OH)₂ + Cl₂ → CaOCl₂ + H₂O
23.
Janhvi starts walking from her home and goes 45 m towards the west. She then turns right and walks 32 m. Then, she turns right and walks 88 m. After that, she turns right and walks 50 m. Finally, she turns right again and walks 43 m. How far and in which direction is she now from her home? (All turns are 90-degree turns only)
A.
18 m, South
B.
16 m, South
C.
45 m, North
D.
18 m, North
😑 View Answer Rough Work
ANSWER :
A. 18 m, South
24.
How many languages are there in the 8th Schedule of the Indian Constitution as on June 2022?
A.
19
B.
22
C.
25
D.
15
😑 View Answer Rough Work
ANSWER :
B. 22
25.
Which of the following statements are correct?
(a) For a lens the first principal focus is the position of the object whose image is at infinity
(b) For a lens the first principal focus is the position of the object whose image is formed at twice the focal length
(c) For a lens the second principal focus is the position of the real image whose object is at infinity
(d) For a lens the second principal focus is the position of the object whose image is formed at twice the focal length
A.
Both (b) and (c)
B.
Both (b) and (d)
C.
Both (a) and (c)
D.
Both (a) and (b)
😑 View Answer Rough Work
ANSWER :
C. Both (a) and (c)
26.
Two boxes have chocolates in the ratio 7 : 5. If the difference in the number of chocolates is 28, find the number of chocolates in the box with larger numbers.
A.
77
B.
84
C.
98
D.
91
😑 View Answer Rough Work
ANSWER :
C. 98
27.
A statement is given followed by two assumptions numbered I and II. You have to assume everything in the statement to be true and decide which of the given assumptions is/are implicit in the statement.
Statement:
Essay writing is an art. It requires an understanding of the subject as well as a command over the language to be able to write a good essay.
Assumptions:
I. Essays cannot be written without complete mastery over the subject.
II. Anyone with a good command over the language can write a good essay.
A.
Only assumption II is implicit
B.
Both assumptions I and II are implicit
C.
Neither assumption I nor II is implicit
D.
Only assumption I is implicit
😑 View Answer Rough Work
ANSWER :
C. Neither assumption I nor II is implicit
28.
If two parallel lines are intersected by a transversal, then which of the options below is not necessarily correct?
A.
A pair of vertically opposite angles have the same measure.
B.
A pair of alternate interior angles have the same measure.
C.
A pair of corresponding angles have the same measure.
D.
A pair of interior angles on the same side of the transversal have the same measure.
😑 View Answer Rough Work
ANSWER :
D. A pair of interior angles on the same side of the transversal have the same measure.
29.
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(1, 8, 3)
(2, 21, 5)
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding / subtracting / multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
A.
(5, 112, 11)
B.
(4, 33, 7)
C.
(2, 26, 3)
D.
(7, 128, 10)
😑 View Answer Rough Work
ANSWER :
B. (4, 33, 7)
30.
If α and β are the roots of x² + x − 2 = 0, then the quadratic equation in x whose roots are and αβ is:
A.
2x² + 5x − 2 = 0
B.
2x² + 3x − 2 = 0
C.
2x² − 5x + 2 = 0
D.
2x² − 3x + 2 = 0
😑 View Answer Rough Work
ANSWER :
B. 2x² + 3x − 2 = 0