Engineering Entrance MCQ & Objective Questions
Preparing for Engineering Entrance exams is crucial for aspiring engineers in India. Mastering MCQs and objective questions not only enhances your understanding of key concepts but also boosts your confidence during exams. Regular practice with these questions helps identify important topics and improves your overall exam preparation.
What You Will Practise Here
Fundamental concepts of Physics and Mathematics
Key formulas and their applications in problem-solving
Important definitions and theorems relevant to engineering
Diagrams and graphical representations for better understanding
Conceptual questions that challenge your critical thinking
Previous years' question papers and their analysis
Time management strategies while solving MCQs
Exam Relevance
The Engineering Entrance syllabus is integral to various examinations like CBSE, State Boards, NEET, and JEE. Questions often focus on core subjects such as Physics, Chemistry, and Mathematics, with formats varying from direct MCQs to application-based problems. Understanding the common question patterns can significantly enhance your performance and help you tackle the exams with ease.
Common Mistakes Students Make
Overlooking the importance of units and dimensions in calculations
Misinterpreting questions due to lack of careful reading
Neglecting to review basic concepts before attempting advanced problems
Rushing through practice questions without thorough understanding
FAQs
Question: What are the best ways to prepare for Engineering Entrance MCQs?Answer: Focus on understanding concepts, practice regularly with objective questions, and review previous years' papers.
Question: How can I improve my speed in solving MCQs?Answer: Regular practice, time-bound mock tests, and familiarizing yourself with common question types can help improve your speed.
Start your journey towards success by solving Engineering Entrance MCQ questions today! Test your understanding and build a strong foundation for your exams.
Q. How many molecules are present in 2 moles of water (H2O)? (2022) 2022
A.
6.022 x 10^23
B.
1.2044 x 10^24
C.
3.011 x 10^23
D.
1.2044 x 10^23
Show solution
Solution
Number of molecules = moles x Avogadro's number = 2 moles x 6.022 x 10^23 molecules/mole = 1.2044 x 10^24 molecules.
Correct Answer:
B
— 1.2044 x 10^24
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Q. How many moles are in 100 grams of NaOH? (2022)
A.
2.5
B.
1.25
C.
0.5
D.
3
Show solution
Solution
Molar mass of NaOH = 23 + 16 + 1 = 40 g/mol. Number of moles = mass/molar mass = 100 g / 40 g/mol = 2.5 moles.
Correct Answer:
B
— 1.25
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Q. How many moles are in 32 grams of O2? (2021)
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Solution
Molar mass of O2 = 16*2 = 32 g/mol. Number of moles = mass/molar mass = 32g/32g/mol = 1 mole.
Correct Answer:
A
— 1
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Q. How many moles of solute are present in 500 mL of a 0.2 M solution? (2021) 2021
A.
0.1 moles
B.
0.5 moles
C.
0.2 moles
D.
0.25 moles
Show solution
Solution
Moles = Molarity * Volume (L) = 0.2 M * 0.5 L = 0.1 moles.
Correct Answer:
A
— 0.1 moles
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Q. How many orbitals are present in the d-subshell? (2023)
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Solution
The d-subshell has 5 orbitals.
Correct Answer:
C
— 5
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Q. How many orbitals are present in the p subshell? (2023)
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Solution
The p subshell has 3 orbitals (px, py, pz).
Correct Answer:
C
— 3
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Q. How many ways can 2 boys and 2 girls be selected from 5 boys and 5 girls? (2020)
A.
100
B.
150
C.
200
D.
300
Show solution
Solution
The number of ways to select 2 boys from 5 is C(5, 2) and 2 girls from 5 is C(5, 2). Total = C(5, 2) * C(5, 2) = 10 * 10 = 100.
Correct Answer:
B
— 150
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Q. How many ways can 2 boys and 3 girls be selected from 5 boys and 6 girls?
A.
100
B.
150
C.
200
D.
250
Show solution
Solution
The number of ways is 5C2 * 6C3 = 10 * 20 = 200.
Correct Answer:
B
— 150
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Q. How many ways can 2 boys and 3 girls be selected from 5 boys and 7 girls? (2020)
A.
210
B.
300
C.
350
D.
400
Show solution
Solution
The number of ways is 5C2 * 7C3 = 10 * 35 = 350.
Correct Answer:
C
— 350
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Q. How many ways can 2 boys and 3 girls be selected from 8 boys and 6 girls?
A.
336
B.
280
C.
420
D.
180
Show solution
Solution
The number of ways is 8C2 * 6C3 = 28 * 20 = 560.
Correct Answer:
A
— 336
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Q. How many ways can 2 boys and 3 girls be selected from a group of 5 boys and 7 girls? (2018)
A.
210
B.
300
C.
150
D.
100
Show solution
Solution
The number of ways to select 2 boys from 5 is 5C2 and 3 girls from 7 is 7C3. Total = 5C2 * 7C3 = 10 * 35 = 350.
Correct Answer:
A
— 210
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Q. How many ways can 2 out of 5 students be selected?
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Solution
The number of ways to choose 2 from 5 is C(5,2) = 10.
Correct Answer:
A
— 10
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Q. How many ways can 2 students be selected from a group of 5? (2019)
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Solution
The number of ways to select 2 students from 5 is given by 5C2 = 10.
Correct Answer:
A
— 10
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Q. How many ways can 2 students be selected from a group of 8? (2015)
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Solution
The number of ways to select 2 from 8 is C(8, 2) = 28.
Correct Answer:
A
— 28
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Q. How many ways can 3 books be selected from a shelf of 10 books? (2022)
A.
120
B.
210
C.
100
D.
30
Show solution
Solution
The number of ways to select 3 books from 10 is given by 10C3 = 120.
Correct Answer:
B
— 210
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Q. How many ways can 3 boys and 2 girls be seated in a row?
A.
30
B.
60
C.
120
D.
180
Show solution
Solution
The number of ways to arrange 5 people is 5! = 120.
Correct Answer:
C
— 120
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Q. How many ways can 3 different books be chosen from a set of 7?
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Solution
The number of ways to choose 3 from 7 is C(7, 3) = 35.
Correct Answer:
A
— 35
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Q. How many ways can 3 different colored balls be arranged in a row? (2022)
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Solution
The number of arrangements of 3 distinct balls is 3! = 6.
Correct Answer:
A
— 6
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Q. How many ways can 3 different gifts be given to 5 children if each child can receive more than one gift? (2022)
A.
125
B.
243
C.
60
D.
30
Show solution
Solution
Each gift can go to any of the 5 children, so the total ways = 5^3 = 125.
Correct Answer:
B
— 243
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Q. How many ways can 3 different trophies be awarded to 5 students? (2022)
A.
60
B.
100
C.
120
D.
30
Show solution
Solution
The number of ways to award 3 trophies to 5 students is given by P(5,3) = 5! / (5-3)! = 60.
Correct Answer:
C
— 120
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Q. How many ways can 3 out of 8 different colored balls be chosen? (2022)
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Solution
The number of ways to choose 3 balls from 8 is given by 8C3 = 56.
Correct Answer:
A
— 56
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Q. How many ways can 3 prizes be awarded to 10 students if no student can win more than one prize?
A.
720
B.
1000
C.
1200
D.
100
Show solution
Solution
The number of ways to award 3 prizes is P(10, 3) = 720.
Correct Answer:
A
— 720
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Q. How many ways can 3 red balls and 2 blue balls be arranged in a line? (2016)
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Solution
The number of arrangements is 5! / (3! * 2!) = 10.
Correct Answer:
D
— 20
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Q. How many ways can 3 students be selected from a group of 10?
A.
120
B.
90
C.
100
D.
80
Show solution
Solution
The number of ways to select 3 students from 10 is given by 10C3 = 120.
Correct Answer:
A
— 120
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Q. How many ways can 4 different flags be arranged on a pole? (2021)
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Solution
The number of arrangements of 4 distinct flags is 4! = 24.
Correct Answer:
A
— 24
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Q. How many ways can 4 different fruits be selected from 6 available fruits? (2021)
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Solution
The number of ways to choose 4 fruits from 6 is C(6, 4) = 15.
Correct Answer:
C
— 20
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Q. How many ways can 4 different fruits be selected from 8 available fruits? (2021)
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Solution
The number of ways to choose 4 fruits from 8 is given by 8C4 = 70.
Correct Answer:
A
— 70
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Q. How many ways can 4 different fruits be selected from 8?
Show solution
Solution
The number of ways to select 4 fruits from 8 is given by 8C4 = 70.
Correct Answer:
B
— 56
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Q. How many ways can 4 different letters be chosen from the word 'COMPUTE'? (2022)
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Solution
The number of ways is 8C4 = 70.
Correct Answer:
C
— 56
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Q. How many ways can 4 letters be chosen from the word 'COMBINATION'?
A.
210
B.
120
C.
150
D.
180
Show solution
Solution
The number of ways to choose 4 letters from 11 is 11C4 = 330.
Correct Answer:
A
— 210
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