MAH MCA CET Practice Set 1

Factorize: x² − 5x + 6

1. A.(x − 2)(x − 3)✓
2. B.(x − 1)(x − 6)
3. C.(x + 2)(x + 3)
4. D.(x − 2)(x + 3)

Correct answer: A

Solve for x: x² = 49

1. A.x = 7 only
2. B.x = ±7✓
3. C.x = −7 only
4. D.x = 14

Correct answer: B

What is the value of log₁₀(1000)?

1. A.2
2. B.3✓
3. C.10
4. D.30

Correct answer: B

Find the sum of the first 10 terms of the AP: 2, 5, 8, 11, ...

1. A.155✓
2. B.145
3. C.150
4. D.160

Correct answer: A

In how many ways can the letters of the word "MCA" be arranged?

1. A.3
2. B.6✓
3. C.9
4. D.27

Correct answer: B

The equation of a circle with center (0, 0) and radius 5 is:

1. A.x² + y² = 5
2. B.x² + y² = 25✓
3. C.x + y = 25
4. D.x² − y² = 25

Correct answer: B

The derivative of f(x) = x³ − 3x² + 2 at x = 1 is:

1. A.−3✓
2. B.0
3. C.3
4. D.−6

Correct answer: A

Evaluate: ∫₀¹ (2x + 1) dx

1. A.2✓
2. B.1
3. C.3
4. D.0.5

Correct answer: A

A fair die is rolled once. What is the probability of getting a number greater than 4?

1. A.1/6
2. B.1/3✓
3. C.1/2
4. D.2/3

Correct answer: B

Complete the series: 4, 8, 16, 32, ?

1. A.48
2. B.64✓
3. C.56
4. D.40

Correct answer: B

A square sheet of paper is folded in half twice, and then a hole is punched near a corner. When unfolded, how many holes will there be?

1. A.2
2. B.4✓
3. C.8
4. D.1

Correct answer: B

What is the age of Ravi? Statement I: Ravi is 5 years older than his brother. Statement II: Ravi's brother is 20 years old.

1. A.Statement I alone is sufficient
2. B.Statement II alone is sufficient
3. C.Both statements together are sufficient, but neither alone is sufficient✓
4. D.Neither statement is sufficient even together

Correct answer: C

If in a code, 'TABLE' is written as 'UBCMF', how is 'CHAIR' written?

1. A.DIBJS✓
2. B.DIBJT
3. C.DJBJS
4. D.EIBJS

Correct answer: A

Statement: "All that glitters is not gold." Which of the following best captures the meaning?

1. A.Everything that glitters is gold
2. B.Not everything that glitters is gold✓
3. C.Nothing that glitters is gold
4. D.Gold never glitters

Correct answer: B

Find the next term in the series: 1, 1, 2, 3, 5, 8, 13, ?

1. A.18
2. B.20
3. C.21✓
4. D.24

Correct answer: C

Which of the following is responsible for performing arithmetic and logical operations in the CPU?

1. A.Control Unit
2. B.ALU✓
3. C.Cache
4. D.Register File

Correct answer: B

Which of the following is an example of a secondary storage device?

1. A.RAM
2. B.Cache
3. C.Hard Disk✓
4. D.Register

Correct answer: C

Which technique allows I/O devices to transfer data directly to memory without CPU intervention for every byte?

1. A.Programmed I/O
2. B.Interrupt-driven I/O
3. C.DMA (Direct Memory Access)✓
4. D.Polling

Correct answer: C

Convert the octal number 17 to decimal.

1. A.15✓
2. B.17
3. C.19
4. D.21

Correct answer: A

Perform the binary subtraction: 1010 − 0011

1. A.0111✓
2. B.0101
3. C.1101
4. D.0110

Correct answer: A

The Boolean expression (A·B)' is equivalent to, by De Morgan's Law:

1. A.A' + B'✓
2. B.A' · B'
3. C.A + B
4. D.A · B

Correct answer: A

Which of the following converts assembly language code into machine code?

1. A.Compiler
2. B.Assembler✓
3. C.Interpreter
4. D.Linker

Correct answer: B

What is the output of the following C code? int x = 5; printf("%d", x++ + ++x);

1. A.11
2. B.12✓
3. C.10
4. D.13

Correct answer: B

In a multiprogramming system, if CPU utilization is modeled as (1 − pⁿ), where p is the fraction of time a process waits for I/O, what does n represent?

1. A.The number of processes in memory✓
2. B.The number of I/O devices
3. C.The clock speed
4. D.The number of CPU cores

Correct answer: A

Read the passage: "Renewable energy sources such as solar and wind are increasingly cost-competitive with fossil fuels, driving a global shift in power generation investment." What is driving the shift in power generation investment, according to the passage?

1. A.Government subsidies alone
2. B.The cost-competitiveness of renewable energy✓
3. C.Declining fossil fuel reserves
4. D.Consumer preference surveys

Correct answer: B

Choose the antonym of "Abundant":

1. A.Plentiful
2. B.Scarce✓
3. C.Ample
4. D.Generous

Correct answer: B

Identify the error in the sentence: "Neither of the students have submitted their assignment."

1. A."Neither" should be "Either"
2. B."have" should be "has"✓
3. C."their" should be "his"
4. D.No error

Correct answer: B

Fill in the blank with the most appropriate word: "Despite the ___ evidence against him, the jury acquitted the defendant."

1. A.scanty
2. B.overwhelming✓
3. C.irrelevant
4. D.circumstantial

Correct answer: B

Read the passage: "Urban green spaces have been shown to reduce stress levels and improve air quality in densely populated cities." What two benefits of urban green spaces are mentioned in the passage?

1. A.Reduced stress and improved air quality✓
2. B.Increased property value and tourism
3. C.Reduced traffic and crime
4. D.Improved air quality and increased rainfall

Correct answer: A

Choose the word that is most nearly OPPOSITE in meaning to "Ephemeral":

1. A.Fleeting
2. B.Permanent✓
3. C.Transient
4. D.Momentary

Correct answer: B