- No data uploaded
- Instant results
BCS Preliminary Practice Questions
Original practice questions for the Bangladesh Civil Service Preliminary Test (Bangladesh Public Service Commission (BPSC)), mixed across 5 topics with instant answers and explanations. Practise by topic below or take the timed mock test.
BCS Preliminary mixed practice
-
Q1.World General KnowledgeWhich gas makes up most of Earth’s atmosphere?
Show answer & explanation
Answer: D — Nitrogen
Nitrogen is about 78% of the atmosphere.
-
Q2.English GrammarChoose the correct preposition: She is good ___ mathematics.
Show answer & explanation
Answer: B — at
The idiom is “good at” a subject or skill.
-
Q3.PercentagesTwo successive discounts of 15% and 5% are equivalent to a single discount of:
Show answer & explanation
Answer: A — 19.25%
Net discount = a + b − ab/100 = 15 + 5 − 15×5/100 = 19.25%.
-
Q4.Logical ReasoningWhat is the angle between the hour and minute hands of a clock at 7:25?
Show answer & explanation
Answer: D — 72.5°
Angle = |30H − 5.5M| = |30×7 − 5.5×25| = 72.5°.
-
Q5.Computer AwarenessThe brain of the computer is the:
Show answer & explanation
Answer: B — CPU
The Central Processing Unit executes instructions.
-
Q6.World General KnowledgeWhich is the largest ocean on Earth?
Show answer & explanation
Answer: D — Pacific
The Pacific Ocean is the largest and deepest ocean.
-
Q7.English GrammarChoose the correct option: I would rather you ___ now.
Show answer & explanation
Answer: A — left
“Would rather + subject” is followed by the past tense for present/future meaning: “left”.
-
Q8.PercentagesWhat is 5% of 780?
Show answer & explanation
Answer: C — 39
5% of 780 = 5/100 × 780 = 39.
-
Q9.Logical ReasoningWhat is the angle between the hour and minute hands of a clock at 10:00?
Show answer & explanation
Answer: A — 60°
Angle = |30H − 5.5M| = |30×10 − 5.5×0| = 300°; the smaller angle is 360 − that = 60°.
-
Q10.Computer AwarenessThe full form of HTTP is:
Show answer & explanation
Answer: C — HyperText Transfer Protocol
HTTP transfers web pages.
About BCS Preliminary
Bangladesh Civil Service Preliminary Test — conducted by Bangladesh Public Service Commission (BPSC). The preliminary screening test for Bangladesh’s civil service cadres.
Original practice questions written for this site in the style and difficulty of each exam’s syllabus. They are not past papers and the site is not affiliated with any exam body. Exam patterns, marking schemes and syllabi change — always check the latest official notification.
Practise by topic
- World General Knowledge questions — Group facts by theme — organisations and headquarters, rivers and deserts, treaties and dates — and revise them as tables.
- English Grammar questions — Find the subject first and make the verb agree with it, ignoring phrases in between.
- Percentages questions — Convert percentages to fractions you know by heart (12.5% = 1/8, 37.5% = 3/8, 16.67% = 1/6) and always divide a change by the ORIGINAL value.
- Logical Reasoning questions — For coding questions write the letter positions (A = 1 … Z = 26).
- Computer Awareness questions — Revise hardware vs software, memory types, number systems, common shortcuts, networking devices and internet protocols.
- BCS Preliminary mock test — 25 timed questions.
BCS Preliminary practice topics
| Topic | Section | Question source |
|---|---|---|
| World General Knowledge | General awareness | Question bank |
| English Grammar | English | Question bank |
| Percentages | Quantitative aptitude | Calculated (new numbers every set) |
| Logical Reasoning | Reasoning | Calculated (new numbers every set) |
| Computer Awareness | Computer knowledge | Question bank |