RRB JE 2019-24-05-2019-1 RRB Question Paper

RRB JE 2019 Question Papers

RRB JE 2019-24-05-2019-1 RRB Questions

41.
The green colour of the leaves is due to-
A.
Chlorophyll
B.
Albumin
C.
Carotene
D.
Globulin
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ANSWER :
A. Chlorophyll
42.
Complete the series.
9, 12, 10, 13, 11, (...)
A.
12
B.
15
C.
16
D.
14
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ANSWER :
D. 14
43.
Who succeeded Rajendra Prasad as the President of India?
A.
V.V. Giri
B.
Giani Zail Singh
C.
S. Radhakrishnan
D.
N. Sanjiva Reddy
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ANSWER :
C. S. Radhakrishnan
44.
The IUPAC name of the compound CH₃ CH₂ CH₃ is-
A.
Pentane
B.
Methane
C.
Butane
D.
Propane
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ANSWER :
D. Propane
45.

If cos² x + sin x = 5/4, then find the value of 'sin x'.

A.

\( \frac{3}{2} \)

B.

\( \frac{-1}{2} \)

C.

\( \frac{3}{4} \)

D.

\( \frac{1}{2} \)

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ANSWER :

D. \( \frac{1}{2} \)

46.
P, Q and R take 18, 15 and 10 days respectively to complete a job. Compare their efficiencies as a ratio.
A.
5 : 5 : 9
B.
5 : 5 : 6
C.
5 : 6 : 4
D.
5 : 6 : 9
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ANSWER :
D. 5 : 6 : 9
47.
Which of the following colour of white light has the maximum wavelength?
A.
Green
B.
Red
C.
Violet
D.
Orange
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ANSWER :
B. Red
48.
'INS Vikramaditya' is a/an-
A.
Aircraft carrier
B.
Jet fighter
C.
Submarine
D.
Main battle tank
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ANSWER :
A. Aircraft carrier
49.
When a natural number 'n' is divided by 4, the remainder is 3. What will be the remainder when (2n + 3) is divided by 4?
A.
1
B.
3
C.
0
D.
2
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ANSWER :
A. 1
50.
Which of these is NOT an infectious disease?
A.
Diabetes
B.
Measles
C.
Malaria
D.
Cholera
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ANSWER :
A. Diabetes