RRB ALP 2018-20-08-2018-2 RRB Question Paper

RRB ALP 2018 - Technicians Question Papers

RRB ALP 2018-20-08-2018-2 RRB Questions

1.
Oparin's theory about 'Origin of life' is related to:
A.
chemical evolution
B.
biological evolution
C.
physical evolution
D.
artificial evolution
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ANSWER :
A. chemical evolution
2.
Which Indian economist wrote the 2017 book 'I Do What I Do'?
A.
Amartya Sen
B.
Urjit Patel
C.
Manmohan Singh
D.
Raghuram Rajan
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ANSWER :
A. Amartya Sen
3.
The given graph shows the distribution of minerals in the human body. Based on the given data, what is the ratio of calcium to sodium found in the human body?
[Pie chart: Calcium 40%, Magnesium 18%, Iron 25%, Potassium 9%, Sodium 8%]
A.
3 : 1
B.
2 : 1
C.
5 : 1
D.
4 : 1
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ANSWER :
D. 4 : 1
4.
Shams invested ₹5000 at 10% per annum compound interest. After n years, Shams received ₹1655 more. Find the value of n.
A.
4 years
B.
3 years
C.
2 years
D.
1 year
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ANSWER :
B. 3 years
5.
Which of the following is necessary to maintain the number of individuals of species and to prevent their extinction?
A.
Reproduction
B.
Circulation
C.
Digestion
D.
Respiration
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ANSWER :
A. Reproduction
6.
What product is formed when electricity is passed through an aqueous solution of sodium chloride?
A.
Sodium oxide
B.
Sodium hydroxide
C.
Sodium and chlorine
D.
Sodium and water
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ANSWER :
B. Sodium hydroxide
7.
A force of 20 N displaces an object through 2 m and does a work of 20 J. The angle between the force and displacement is:
A.
90°
B.
0°
C.
30°
D.
60°
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ANSWER :
D. 60°
8.
The ages of A and B differ by 16 years. If 6 years ago, the elder one was 3 times as old as the younger one, find the present age of the younger between A and B?
A.
15 years
B.
11 years
C.
12 years
D.
14 years
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ANSWER :
D. 14 years
9.
If the edge of a cube is increased by 3 cm, the volume will increase by 657 cm³. What then is the original length of each edge of the cube?
A.
8 cm
B.
6 cm
C.
7 cm
D.
9 cm
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ANSWER :
B. 6 cm
10.
The S.P of a washing machine is 1 1/3 of its C.P. Find the gain percent.
A.
66 1/3%
B.
33%
C.
66%
D.
33 1/3%
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ANSWER :
D. 33 1/3%