Mock Test 2

Use this after revising mistakes from Mock Test 1.

Section A: Aptitude

Q1

30% of 750:

A. 205
B. 215
C. 225
D. 235

Q2

An article sold at ₹960 gives 20% profit. Cost price:

A. ₹760
B. ₹780
C. ₹800
D. ₹820

Q3

Average of 7 numbers is 14. Sum:

A. 88
B. 96
C. 98
D. 108

Q4

A:B = 5:6. If B = 42, A =

A. 30
B. 35
C. 36
D. 40

Q5

A and B complete work in 20 and 30 days. Together:

A. 10 days
B. 12 days
C. 15 days
D. 18 days

Q6

Train 150 m long crosses pole in 15 sec. Speed:

A. 10 m/s
B. 15 m/s
C. 20 m/s
D. 25 m/s

Q7

Find next: 4, 9, 19, 39, 79, ?

A. 139
B. 149
C. 159
D. 169

Q8

Find next: Z, X, U, Q, L, ?

A. G
B. F
C. E
D. D

Q9

If BOOK = CPPL, then READ = ?

A. SFBE
B. SFBF
C. QDZE
D. TFFE

Q10

A walks 6 km east, 8 km north. Distance from start:

A. 10 km
B. 12 km
C. 14 km
D. 16 km

Q11

Choose correct: The team ___ ready.

A. are
B. is
C. were
D. have

Q12

He prefers tea ___ coffee.

A. than
B. over
C. to
D. from

Q13

Antonym of scarce:

A. rare
B. limited
C. abundant
D. insufficient

Q14

Synonym of brief:

A. long
B. short
C. heavy
D. deep

Q15

Simple interest on ₹6000 at 8% for 2 years:

A. ₹860
B. ₹900
C. ₹960
D. ₹1000

Q16

LCM of 8 and 12:

A. 16
B. 20
C. 24
D. 36

Q17

HCF of 24 and 36:

A. 6
B. 8
C. 12
D. 18

Q18

Probability of getting a number greater than 4 on die:

A. 1/6
B. 1/3
C. 1/2
D. 2/3

Q19

If price increases from 80 to 100, percentage increase:

A. 20%
B. 25%
C. 30%
D. 40%

Q20

One inlet fills tank in 5 hr, another in 10 hr. Together:

A. 10/3 hr
B. 15/2 hr
C. 5 hr
D. 15 hr

Q21

Odd one out:

A. 2
B. 3
C. 5
D. 9

Q22

All cats are animals. No animal is stone. Conclusion: No cat is stone.

A. True
B. False
C. Cannot be determined
D. None

Q23

Choose article: She bought ___ umbrella.

A. a
B. an
C. the only
D. no article

Q24

Correct sentence:

A. Each of the students have a book.
B. Each of the students has a book.
C. Each students has books.
D. Each student have a book.

Q25

Compound amount on ₹1000 at 10% for 2 years:

A. ₹1100
B. ₹1200
C. ₹1210
D. ₹1220

Q26

20% discount on ₹450:

A. ₹80
B. ₹90
C. ₹100
D. ₹110

Q27

Selling price after 20% discount on ₹450:

A. ₹320
B. ₹340
C. ₹350
D. ₹360

Q28

Find next: 1, 4, 9, 16, 25, ?

A. 30
B. 35
C. 36
D. 49

Q29

Brother's daughter is:

A. niece
B. nephew
C. aunt
D. cousin

Q30

Data sufficiency: Is x even? I: x is divisible by 4. II: x is divisible by 2.

A. I alone sufficient
B. II alone sufficient
C. Either alone sufficient
D. Both insufficient

Section B: Technical

Q1

Array index access is:

A. O(1)
B. O(n)
C. O(log n)
D. O(n²)

Q2

Linked list search is:

A. O(1)
B. O(log n)
C. O(n)
D. O(n log n)

Q3

Heap is commonly used for:

A. priority queue
B. stack only
C. DNS only
D. syntax check

Q4

Binary Search Tree property:

A. left larger, right smaller
B. left smaller, right larger
C. no order
D. circular nodes only

Q5

Process differs from thread because process:

A. shares all memory always
B. has separate address space
C. cannot execute
D. is always smaller

Q6

SJF stands for:

A. Shortest Job First
B. Small Java File
C. System Job Finish
D. Sorted Job Flow

Q7

Semaphore is used for:

A. synchronization
B. sorting
C. routing
D. compiling

Q8

Virtual memory uses:

A. disk as extension of RAM
B. printer as RAM
C. monitor memory only
D. no storage

Q9

UDP is:

A. reliable connection-oriented
B. connectionless
C. always encrypted
D. application layer only

Q10

SSH port:

A. 21
B. 22
C. 23
D. 25

Q11

Switch works at:

A. Physical layer only
B. Data Link layer
C. Transport layer
D. Application layer

Q12

MAC address belongs to:

A. Data Link layer
B. Network layer only
C. Session layer
D. Presentation layer

Q13

RTOS is used when:

A. response deadlines matter
B. no timing matters
C. only documents are edited
D. only graphics needed

Q14

Polling means:

A. device interrupts CPU
B. CPU repeatedly checks device
C. CPU sleeps forever
D. memory is paged

Q15

SPI uses:

A. MOSI, MISO, SCLK, SS
B. SDA, SCL only
C. HTTP, DNS
D. HTML, CSS

Q16

DAA Big-O represents:

A. exact runtime in seconds
B. growth rate upper bound
C. compiler name
D. memory address

Q17

Insertion sort best case:

A. O(1)
B. O(n)
C. O(n log n)
D. O(n²)

Q18

0/1 knapsack is commonly solved using:

A. dynamic programming
B. DNS
C. paging
D. UART

Q19

Kruskal uses:

A. sorted edges
B. time quantum
C. page table
D. test case

Q20

Unit testing tests:

A. complete system only
B. individual function/module
C. user acceptance only
D. production server only

Q21

Validation asks:

A. Are we building the right product?
B. Are cables connected?
C. Is DNS port 53?
D. Is array sorted?

Q22

JMeter is used for:

A. performance/load testing
B. unit testing only
C. microcontroller flashing only
D. DNS routing

Q23

Jira is commonly used for:

A. bug/project tracking
B. binary search
C. data link switching
D. ADC conversion

Q24

CI means:

A. Continuous Integration
B. Code Inversion
C. Central Interrupt
D. Computer Input

Q25

White-box testing requires knowledge of:

A. internal code
B. only user manual
C. only network cable
D. no system info

Q26

Black-box testing focuses on:

A. internal branches only
B. input-output behavior
C. page replacement only
D. CPU registers

Q27

Soft real-time system:

A. missing deadline degrades quality
B. missing deadline always fatal
C. has no timing
D. only uses soft keyboard

Q28

Topological sort applies to:

A. DAG
B. cyclic undirected graph only
C. array only
D. linked list only

Q29

Which sort is stable among these?

A. Merge sort
B. Selection sort
C. Heap sort
D. Quick sort always

Q30

Postman is used for:

A. API testing
B. memory management
C. graph traversal
D. scheduling

Section C: Pseudocode

Q1

SET x = 2
SET y = 1
FOR i = 1 TO 4
    SET y = y * x
END FOR
DISPLAY y

Q2

SET n = 789
SET count = 0
WHILE n > 0
    SET count = count + 1
    SET n = n / 10
END WHILE
DISPLAY count

Q3

SET A = [10, 20, 30, 40]
SET sum = A[0] + A[3]
DISPLAY sum

Q4

FOR i = 3 DOWNTO 1
    DISPLAY i
END FOR

Q5

SET x = 0
FOR i = 1 TO 6
    IF i % 2 = 0 THEN
        SET x = x + 2
    ELSE
        SET x = x + 1
    END IF
END FOR
DISPLAY x

Coding

Coding Q1

Given a number n, print YES if it is prime, otherwise print NO.

Coding Q2

Given two strings, print YES if they are anagrams, otherwise print NO.

Answer Key

Aptitude

Q	Ans
1	C
2	C
3	C
4	B
5	B
6	A
7	C
8	B
9	A
10	A
11	B
12	C
13	C
14	B
15	C
16	C
17	C
18	B
19	B
20	A
21	D
22	A
23	B
24	B
25	C
26	B
27	D
28	C
29	A
30	C

Technical

Q	Ans
1	A
2	C
3	A
4	B
5	B
6	A
7	A
8	A
9	B
10	B
11	B
12	A
13	A
14	B
15	A
16	B
17	B
18	A
19	A
20	B
21	A
22	A
23	A
24	A
25	A
26	B
27	A
28	A
29	A
30	A

Pseudocode

Q	Ans
1	`16`
2	`3`
3	`50`
4	`3 2 1`
5	`9`

Q	Ans
1	C
2	C
3	C
4	B
5	B
6	A
7	C
8	B
9	A
10	A
11	B
12	C
13	C
14	B
15	C
16	C
17	C
18	B
19	B
20	A
21	D
22	A
23	B
24	B
25	C
26	B
27	D
28	C
29	A
30	C

Q	Ans
1	A
2	C
3	A
4	B
5	B
6	A
7	A
8	A
9	B
10	B
11	B
12	A
13	A
14	B
15	A
16	B
17	B
18	A
19	A
20	B
21	A
22	A
23	A
24	A
25	A
26	B
27	A
28	A
29	A
30	A

Q	Ans
1	C
2	C
3	C
4	B
5	B
6	A
7	C
8	B
9	A
10	A
11	B
12	C
13	C
14	B
15	C
16	C
17	C
18	B
19	B
20	A
21	D
22	A
23	B
24	B
25	C
26	B
27	D
28	C
29	A
30	C

Q	Ans
1	A
2	C
3	A
4	B
5	B
6	A
7	A
8	A
9	B
10	B
11	B
12	A
13	A
14	B
15	A
16	B
17	B
18	A
19	A
20	B
21	A
22	A
23	A
24	A
25	A
26	B
27	A
28	A
29	A
30	A

Q	Ans
1	C
2	C
3	C
4	B
5	B
6	A
7	C
8	B
9	A
10	A
11	B
12	C
13	C
14	B
15	C
16	C
17	C
18	B
19	B
20	A
21	D
22	A
23	B
24	B
25	C
26	B
27	D
28	C
29	A
30	C

Q	Ans
1	A
2	C
3	A
4	B
5	B
6	A
7	A
8	A
9	B
10	B
11	B
12	A
13	A
14	B
15	A
16	B
17	B
18	A
19	A
20	B
21	A
22	A
23	A
24	A
25	A
26	B
27	A
28	A
29	A
30	A