RRB Group D 2022-26-9-2022-3 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-26-9-2022-3 RRB Questions

21.
Which of the following transports products of photosynthesis from the leaves to the other parts of the plant?
A.
Phloem
B.
Collenchyma
C.
Xylem
D.
Sclerenchyma
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ANSWER :
A. Phloem
22.

In this question, a group of numbers/symbols is coded using letters as per the table given below and the conditions which follow. The correct combination of codes following the conditions is your answer.

Number/Symbol 6 8 4 + 5 # % 2 $ 1 ^ 7 9 * @
Code S U T W N P V D A Z J M O M Y

Conditions:
(i) If the first and last elements are numbers, then the last element will be replaced by the symbol @.
(ii) If the first element is a symbol, then the first element will be coded as ©.
(iii) If both the first and second elements are numbers, then the third element will be coded as *.
What will be the code for the following?
5 6 * @ %

A.

YVMNS

B.

NS*YV

C.

NSMVY

D.

VYSNM

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ANSWER :

B. NS*YV

23.
Select the correct property/properties from among the following, with respect to the reflection of light by a concave mirror.
(a) Light does not obey the laws of reflection as the concave surface is a curved surface.
(b) A light ray directed on to the pole of a concave mirror retraces the path of incidence in the opposite direction.
A.
Both (a) and (b) are correct
B.
Only (b) is correct
C.
Both (a) and (b) are incorrect
D.
Only (a) is correct
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ANSWER :
C. Both (a) and (b) are incorrect
24.

If light enters from air to some medium A having a refractive index of 1.33, then what is the speed of light in medium A?

A.

2.67 × 10⁸ \( \frac{m}{s} \)

B.

1.67 × 10⁸ \( \frac{m}{s} \)

C.

2.26 × 10⁸ \( \frac{m}{s} \)

D.

1.97 × 10⁸ \( \frac{m}{s} \)

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ANSWER :

C. 2.26 × 10⁸ \( \frac{m}{s} \)

25.
Which of the following elements is NOT present as a diatomic molecule in nature?
A.
Helium
B.
Nitrogen
C.
Hydrogen
D.
Chlorine
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ANSWER :
A. Helium
26.
Which of the following solutions will turn pH paper blue?
A.
Lemon juice
B.
Gastric juice
C.
Sodium hyrdoxide
D.
Hydrochloric acid
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ANSWER :
C. Sodium hyrdoxide
27.
Three statements are given followed by two conclusions numbered I and II. You have to take the statements to be true even if they seem to be at variance with commonly known facts and decide which of the conclusions logically follows from the statements.
Statements:
Some Rings are Ears.
Some Rings are Fingers.
All Ears are Noses.
Conclusions:
I. All Rings are Noses.
II. Some Fingers are Ears.
A.
Both conclusions (I) and (II) follow.
B.
Only conclusion (II) follows.
C.
Only conclusion (I) follows.
D.
Neither conclusion (I) nor (II) follows.
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ANSWER :
D. Neither conclusion (I) nor (II) follows.
28.

If ‘–’ means ‘×’, ‘×’ means ‘+’, ‘+’ means ‘÷’, ‘÷’ means ‘–’, what will come in place of the question mark (?) in the following equation?
5 − 5 ÷ 6 × 6 + 3 − ?

A.

35

B.

21

C.

22

D.

32

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ANSWER :

B. 21

29.
Find the single percentage discount equivalent to three successive discounts of 30%, 20% and 10% respectively.
A.
64.6 %
B.
49.6 %
C.
50.4 %
D.
46.4 %
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ANSWER :
B. 49.6 %
30.
Identify the institute from the given description.
“The institute was founded in June 1945 with support from the Sir Dorabji Tata Trust. The institute began functioning within the Cosmic Ray Research Unit on the campus of the Indian Institute of Science, Bangalore and moved to Bombay in October that year.”
A.
Tata Institute of Social Science (TISS)
B.
National Institute of Advance Sciences (NIAS)
C.
Shavak Nanavati Technical Institute (SNTI)
D.
Tata Institute of Fundamental Research (TIFR)
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ANSWER :
D. Tata Institute of Fundamental Research (TIFR)