RRB Group D 2022-26-8-2022-3 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-26-8-2022-3 RRB Questions

1.
Consider the below statements and identify the correct answer.
Statement-I: Salts of strong acid and a strong base are neutral with pH value of 7.
Statement-II: Salts of a strong acid and weak base are acidic with pH value less than 7.
A.
Statement-I is true, and Statement-II is false.
B.
Both the statements are true.
C.
Statement-II is true, and Statement-I is false.
D.
Both the statements are false.
😑 View Answer Rough Work Error
ANSWER :
B. Both the statements are true.
2.
Which compounds are required to manufacture baking soda?
A.
Sodium hydroxide and water
B.
Water and sodium carbonate
C.
Water and bleaching powder
D.
Common salt, carbon dioxide, and ammonia
😑 View Answer Rough Work Error
ANSWER :
D. Common salt, carbon dioxide, and ammonia
3.
If for x > 0, the mean of 22.5, 56, 42.5, 2x+1, x-2, 3x, 36 is 30, then the value of x is _____.
A.
9
B.
6
C.
7
D.
4
😑 View Answer Rough Work Error
ANSWER :
A. 9
4.
Consider the below statements and identify the correct answer.
Statement-I: Atomic radius increases in moving from left to right along a period.
Statement-II: Nuclear charge increases in moving from left to right along a period.
A.
Only Statement-I is correct.
B.
Only Statement-II is correct.
C.
Both statements are correct. Statement-I is the correct explanation of StatementII.
D.
Both statements are correct. Statement-II is the correct explanation of Statement-I.
😑 View Answer Rough Work Error
ANSWER :
B. Only Statement-II is correct.
5.
Which of the following diseases is NOT sexually transmitted?
A.
Syphilis
B.
Hepatitis B
C.
AIDS
D.
Tuberculosis
😑 View Answer Rough Work Error
ANSWER :
D. Tuberculosis
6.

Which of the following reactions will be considered as a double displacement reaction?

A.

Zn + FeCl2 → ZnCl2  + Fe

B.

H2 CO3 → CO2  + H2 O

C.

HCl + KOH → KCl + H2 O

D.

MgO + H2 O → Mg(OH)2

😑 View Answer Rough Work Error
ANSWER :

C. HCl + KOH → KCl + H2 O

7.
Two resistors, A of 6 Ω and B of 12 Ω, are connected in parallel to a battery of 3 V. The total energy supplied by the battery to the circuit in 1 second is:
A.
2.25 J
B.
1.5 J
C.
4.5 J
D.
7.5 J
😑 View Answer Rough Work Error
ANSWER :
A. 2.25 J
8.
Which of the following is the non-metallic form of a mineral?
A.
Silver
B.
Lead
C.
Bauxite
D.
Mica
😑 View Answer Rough Work Error
ANSWER :
D. Mica
9.
Which of the following terms will replace the question mark (?) in the given series to make it logically complete?
TDK-4, XHO-9, BLS-16, FPW-25, ?
A.
JTA-36
B.
JTB-36
C.
JTA-64
D.
JUA-36
😑 View Answer Rough Work Error
ANSWER :
A. JTA-36
10.

In the following diagram, the circle represents girls, the triangle represents science students, and the rectangle represents PG students. The numbers in different sections indicate the number of persons.

How many PG students are girls who are NOT science students?

A.

12

B.

2

C.

19

D.

13

😑 View Answer Rough Work Error
ANSWER :

D. 13