General Science · solved example
Which gas is the most abundant in the Earth’s atmosphere?
- Argon
- Oxygen
- NitrogenCorrect
- Carbon dioxide
Solution
Nitrogen makes up about 78% of the atmosphere, the largest share.
RRB Technician | Computer Based Test for Technician Grade III
A full-length RRB Technician mock modelled on the Computer Based Test for Technician Grade III: 100 original questions across General Science, Mathematics, General Intelligence and Reasoning and General Awareness and Current Affairs, weighted towards moderate and hard, each with a worked solution.
| Section | Questions |
|---|---|
| General ScienceGeneral Science | 40 |
| MathematicsMathematics | 25 |
| General Intelligence and ReasoningGeneral Intelligence & Reasoning | 25 |
| General Awareness and Current AffairsCurrent Affairs | 10 |
A few questions from this test, with the answer key and the method behind it. The full set of 100 runs under a timer, and every solution is on the analysis screen once you submit.
General Science · solved example
Which gas is the most abundant in the Earth’s atmosphere?
Solution
Nitrogen makes up about 78% of the atmosphere, the largest share.
Mathematics · solved example
Find the approximate value: 24.9% of 360.
Solution
Round to 25% of 360 ≈ 90, which is the closest option.
General Intelligence & Reasoning · solved example
How many people sit between R and U?
Solution
The order is T, V, P, S, R, Q, U from the left; between R and U there are 1 people.
Current Affairs · solved example
The Dronacharya Award in India is given in the field of:
Solution
The Dronacharya Award honours outstanding coaches in sports and games in India.
General Science · solved example
What is the SI unit of pressure?
Solution
The pascal is the SI unit of pressure.
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Correct answer
+1
Wrong answer
-0.3333
Unanswered
0
Because a blank carries no penalty, guessing only pays when you can eliminate at least two options. The analysis screen after the test shows you exactly where guessing cost you marks.