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Exam Details

2020 General Knowledge

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Questions 120
Duration 180 mins
Package Combined Defence Services Examination (I) - Previous Year Papers

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Subject distribution

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Topic distribution

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Subtopic distribution

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Difficulty distribution

Easy 40 33.3%
Medium 40 33.3%
Hard 40 33.3%

Question type distribution

Multiple Choices 120 100%

Syllabus

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Sample questions from this paper

Questions are selected across the paper subjects wherever the paper contains that variety.

1
2020 · Unclassified
2020 General Knowledge
Scattering of α-particles by a thin gold foil suggests the presence of
A
electron in an atom
B
proton in an atom
C
positively charged nucleus at the centre of an atom
D
isotopes of gold
2
2020 · Unclassified
2020 General Knowledge
The elements of which of the following pairs are isobars?
A
11H and 31H
B
11H and 21H
C
126C and 146C
D
4018Ar and 4020Ca
3
2020 · Unclassified
2020 General Knowledge
Which one of the following chemical reactions is not feasible?
A
Fe + CuSO4 → FeSO4 + Cu
B
Zn + CuSO4 → ZnSO4 + Cu
C
Cu + PbCl2 → CuCl2 + Pb
D
Mg + CuSO4 → MgSO4 + Cu
4
2020 · Unclassified
2020 General Knowledge
A solution having pH equal to zero is known as
A
highly alkaline solution
B
highly acidic solution
C
weakly acidic solution
D
neutral solution
5
2020 · Unclassified
2020 General Knowledge
Which one of the following acids is produced in human stomach?
A
Formic acid
B
Sulphuric acid
C
Nitric acid
D
Hydrochloric acid
6
2020 · Unclassified
2020 General Knowledge
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A
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B
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C
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D
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