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BITSAT Practice Questions
Original practice questions for the BITS Admission Test (Birla Institute of Technology and Science (BITS), Pilani), mixed across 5 topics with instant answers and explanations. Practise by topic below or take the timed mock test.
BITSAT mixed practice
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Q1.AlgebraSolve: x² − 4x + 4 = 0
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Answer: D — 2, 2
Find two roots with sum 4 and product 4: 2 and 2. So x² − 4x + 4 = (x − 2)(x − 2) = 0.
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Q2.PhysicsThe SI unit of force is the:
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Answer: A — Newton
1 newton = 1 kg·m/s².
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Q3.ChemistryThe periodic table is arranged in order of increasing:
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Answer: A — Atomic number
The modern periodic table orders elements by atomic number.
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Q4.English GrammarChoose the correct option: Hardly had he left ___ it started raining.
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Answer: B — when
The correlative pair is “hardly … when” (also “no sooner … than”).
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Q5.Logical ReasoningFind the next letter: H, L, P, T, ?
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Answer: C — X
The letters advance by 4 each time (skip 3).
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Q6.AlgebraFind log₅ 3,125.
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Answer: C — 5
log_5(3125) asks “5 to what power gives 3125?” → 5^5 = 3125, so the answer is 5.
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Q7.PhysicsFind the power dissipated when 0.5 A flows through a 12 Ω resistor.
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Answer: C — 3 W
P = I²R = 0.5² × 12 = 3 W.
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Q8.Chemistry36.5 g of HCl (molar mass 36.5) is dissolved to make 250 mL of solution. Find the molarity.
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Answer: A — 4 M
Moles = 36.5/36.5 = 1; molarity = moles ÷ litres = 1 ÷ 0.25 = 4 M.
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Q9.English GrammarChoose the correct option: Let’s discuss ___ the matter tomorrow.
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Answer: B — no preposition
“Discuss” is transitive: we discuss the matter (no “about”).
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Q10.Logical ReasoningRavi walks 6 m north, turns right and walks 9 m, then turns right again and walks 4 m. How far is he from the start?
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Answer: B — 9.22 m
Net: 2 m north and 9 m east. Distance = √(2² + 9²) = 9.22 m.
About BITSAT
BITS Admission Test — conducted by Birla Institute of Technology and Science (BITS), Pilani. Online admission test for BITS Pilani, Goa and Hyderabad campuses.
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
- Algebra questions — Factorise quadratics by finding two numbers with the right sum and product; check roots by substitution.
- Physics questions — Write the formula before substituting and keep SI units throughout.
- Chemistry questions — Moles = mass ÷ molar mass; molarity = moles ÷ litres.
- English Grammar questions — Find the subject first and make the verb agree with it, ignoring phrases in between.
- Logical Reasoning questions — For coding questions write the letter positions (A = 1 … Z = 26).
- BITSAT mock test — 25 timed questions with negative marking.
BITSAT practice topics
| Topic | Section | Question source |
|---|---|---|
| Algebra | Mathematics | Calculated (new numbers every set) |
| Physics | Science | Calculated + question bank |
| Chemistry | Science | Calculated + question bank |
| English Grammar | English | Question bank |
| Logical Reasoning | Reasoning | Calculated (new numbers every set) |