RRB JE 2019-26-05-2019-2 RRB Question Paper

RRB JE 2019 Question Papers

RRB JE 2019-26-05-2019-2 RRB Questions

21.
Evaluate: (sin 72° + cos 18°) (sin 72° - cos 18°)
A.
1
B.
0
C.
2
D.
-1
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ANSWER :
B. 0
22.
In which medium does sound travel at maximum speed?
A.
Liquids
B.
Solids
C.
Same speed in gases and liquids
D.
Gases
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ANSWER :
B. Solids
23.
The enzyme present in gastric juice is-
A.
Trypsin
B.
Pepsin
C.
Amylase
D.
Ptyalin
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ANSWER :
B. Pepsin
24.
The correct way of making a solution of acid in water is to-
A.
Add acid to water
B.
Mix acid and water simultaneously
C.
Add water to acid
D.
Add water to acid in a shallow container
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ANSWER :
A. Add acid to water
25.
Choose the alternative that best replaces the question mark(?) in the given figure.
[Figure with three circles: 28/36/15, 56/72/30, ?/144/60]
A.
105
B.
92
C.
112
D.
89
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ANSWER :
C. 112
26.
If 54.k3 + 543 + 5.43 = 603.26, find the value of 'k'.
A.
6
B.
5
C.
8
D.
9
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ANSWER :
C. 8
27.
If in a certain language 'FASHION' is coded as 'FOIHSAN', how is 'PROBLEM' coded in that language?
A.
PELBORM
B.
ROBLEMP
C.
PRBOELM
D.
PELOBRM
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ANSWER :
A. PELBORM
28.
From where does the Prime Minister address the nation on the 15th of August?
A.
Parliament
B.
Chandni Chowk
C.
Red Fort
D.
Alibag
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ANSWER :
C. Red Fort
29.
What is the power equivalent to 1 kW?
A.
1000 Watts
B.
100 Watts
C.
10000 Watts
D.
10 Watts
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ANSWER :
A. 1000 Watts
30.
In this question, two statements are given followed by two conclusions. Choose the conclusion(s) which best fit(s) logically.
Statements:
1) Some players are singers.
2) All singers are tall.
Conclusions:
I. Some players are tall.
II. All players are tall.
A.
Either conclusion I or II follows
B.
Neither conclusion I nor II follows
C.
Only conclusion I follows
D.
Only conclusion II follows
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ANSWER :
C. Only conclusion I follows