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Worksheets

Mock Test

Total questions: 75

Worksheet time: 2hrs 30mins

Name
Class
Date
1.

Synonym of Mercurial

a)

Recalcitrant

b)

Redundant

c)

Capricious

d)

Audacious

2.

Synonym of Protean

a)

Consistent

b)

Gullible

c)

Guile

d)

Erratic

3.

Vacillate

a)

Unwavering

b)

Shimmering

c)

Rotating

d)

Volatile

4.

Erratic

a)

Volatile

b)

Inconsistent

c)

Turbulent

d)

Variable

5.

Vituperate

a)

Aggrandize

b)

Verity

c)

Mendacity

d)

Berate

6.

Lambaste

a)

Craven

b)

Absolve

c)

Abrogate

d)

Revile

7.

Tirade

a)

veracious

b)

canny

c)

harangue

d)

duplicity

8.

Calumny

a)

Iniquity

b)

Candor

c)

Prevaricate

d)

Defamation

9.

Reprove

a)

fallacious

b)

eulogize

c)

exculpate

d)

reprimand

10.

Obloquy

a)

gainsay

b)

revile

c)

castigate

d)

aspersion

11.

Antonym of Insidious

a)

baleful

b)

Minatory

c)

harmful

d)

boon

12.

Antonym of Encomium

a)

venerate

b)

reverential

c)

laudatory

d)

diatribe

13.

Antonym of Exonerate

a)

Absolve

b)

Inhibit

c)

Renege

d)

convict

14.

Antonym of guile

a)

mendacious

b)

ersatz

c)

chicanery

d)

veracious

15.

Antonym of acrimonious

a)

caustic

b)

trenchant

c)

rancourous

d)

pleasing

16.

Although new home builders typically 1 designing houses with modern trends and research in mind, many older homes are outdated, resulting in construction 2 that does not provide for easy access between the kitchen and dining room.

a)

A)   NO CHANGE

b)

B)   design

c)

C)   to design

d)

D)   and designing

17.

Although new home builders typically 1 designing houses with modern trends and research in mind, many older homes are outdated, resulting in construction 2 that does not provide for easy access between the kitchen and dining room.

Which choice provides the most appropriate introduction to the passage?

a)

A)   NO CHANGE

b)

B)   that forces occupants to depend on artificial sources of light.

c)

C)   that is not properly sealed to prevent water damage.

d)

D)   in which occupants must increase air flow for effective heating and cooling.

18.

The fact that the cost of home remodeling is quite pricey 3 which causes homeowners to recoil at the thought.

a)

A)   NO CHANGE

b)

B)   that

c)

C)   and

d)

D)   DELETE the underlined portion.

19.

Nevertheless, such investments, which can improve a 4 families daily lives, are definitely worth the time and expense required.

a)

A)   NO CHANGE

b)

B)   families’ daily lives’,

c)

C)   family’s daily life,

d)

D)   family’s daily life’s,

20.

One study conducted in 2016 by Northeastern University in Boston showed that meager amounts of natural light can result in stress, which, in turn, 5 is harmful to the body’s immune system.

a)

A)   NO CHANGE

b)

B)   are

c)

C)   is being

d)

D)   have been

21.

A study showed that patients 6 experienced mood changes when they did not receive adequate amounts of vitamin D.

Which choice best supports the statement made in the previous sentence?

a)

A)   NO CHANGE

b)

B)   were 20% more likely to develop muscle pain and bone loss

c)

C)   sought more time outdoors during the day

d)

D)   spent more money on energy-efficient lighting

22.

Like any health issue, these ailments can take a toll on one’s emotional 7 state, it impacts a person’s mental health.

a)

A)   NO CHANGE

b)

B)   state, impacting

c)

C)   state, its impacting

d)

D)   state; impacting

23.

8 Alternatively, people experiencing such symptoms often report that their personal and professional lives suffer as a result.

a)

A)   NO CHANGE

b)

B)   Nevertheless,

c)

C)   Moreover,

d)

D)   However,

24.

One neighborhood in Colorado witnessed a significant increase in community morale when it worked together with architectural lighting experts, 9 these are professionals specializing in the use of natural light in a home’s interior.

a)

A)   NO CHANGE

b)

B)   they are

c)

C)   who are

d)

D)   those being

25.

When homes in Portland, Oregon, were modernized to bring in more natural light, homeowners reported monthly savings on their electricity and gas bills, 10 both of which had been higher than average.

a)

A)   NO CHANGE

b)

B)   of whom both

c)

C)   both of them

d)

D)   both

26.

Taking into account the negative effects of artificial light, 11 investing in improvements that capitalize on natural illumination from the sun.

a)

A)   NO CHANGE

b)

B)   many homeowners invest

c)

C)   having invested

d)

D)   to invest

27.

Choose the correct spelling.

a)

Calendar

b)

Calender

28.

Choose the correct spelling.

a)

Lollipop

b)

Lollypop

29.

Choose the correct spelling.

a)

Truly

b)

Truely

30.

Choose the correct spelling.

a)

Occassion

b)

Occasion

31.

Anil can do a piece of work in 5 days and Ankur in 4 days. How long will they take do the same work, if they work together?

a)

20/9 days

b)

9/20 days

c)

9 days

d)

20 days

32.

A, B and C working together can do a piece of work in 8 hours. A alone can do it in 20 hours and B alone can do it in 24 hours. In how many hours will C alone do the same work?

a)

1/30 hours

b)

30 hours

c)

15 hours

d)

1/20 hours

33.

A and B can finish a work in 20 days. A alone can do 1/5th of the work in 12 days. In how many days can B alone do it?

a)

1/30 days

b)

30 days

c)

1/5 days

d)

20 days

34.

A and B can do a piece of work in 6 days and 4 days respectively. A started the work, worked at it for 2 days and then was joined by B. Find the total time taken to complete the work.

a)

18/5 days

b)

18 days

c)

5/18 days

d)

5 days

35.

Two taps A and B can fill an overhead tank in 10 hours and 15 hours respectively. Both the taps are opened for 4 hours and then B is turned off. How much time will A take to fill the remaining tank?

a)

10/3 hours

b)

10 hours

c)

3/10 hours

d)

3 hours

36.

4 5 7 10 14 ?

a)

16

b)

17

c)

18

d)

19

37.

18 22 20 24 22 ?

a)

24

b)

30

c)

26

d)

28

38.

1 6 13 22 ?

a)

31

b)

30

c)

32

d)

33

39.

2 6 12 20 ?

a)

25

b)

28

c)

30

d)

32

40.

3 5 7 9 11 ?

a)

13

b)

15

c)

17

d)

19

41.

If a:b=7:5 and b:c=9:11.Find a:b:c.

a)

63:14:55

b)

63:45:55

c)

14:14:15

d)

7:14:15

42.

The c.p of 10 pens is equal to s.p of 12 pens.Find his gain% or loss%.

a)

33.24% profit

b)

20% profit

c)

16.67% loss

d)

10% loss

43.

In what time will a railway time 60m long moving at a rate of 36kmph pass a telegraph post on its way?

a)

9 sec

b)

8 sec

c)

7 sec

d)

6 sec

44.

Pointing to a girl in a photograph,Arun said "Her mother's brother is the only son of my mother's father".How is the girl's mother related to Arun?

a)

Mother

b)

Sister

c)

Aunt

d)

Grandma

45.

A man walked 2 km west of his house and then he turned south covering 4 km.Finally,he moved 3 km towards east and then he again 1 km west.How far is he from his initial position?

a)

10 km

b)

9 km

c)

2 km

d)

4 km

46.

How is the 2nd element in an array accessed based on pointer notation?

a)

*a + 2

b)

*(a + 2)

c)

*(*a + 2)

d)

&(a + 2)

47.

Which of the following is example of in-place algorithm?

a)

Bubble Sort

b)

Merge Sort

c)

Insertion Sort

d)

All of the above

48.

The data structure required to check whether an expression contains a balanced parenthesis is?

a)

Stack

b)

Queue

c)

Array

d)

All of the above

49.

When does the ArrayIndexOutOfBoundsException occur?

a)

Compile-time

b)

Run-time

c)

Not an error

d)

Not an exception at all

50.

What is the speciality about the inorder traversal of a binary search tree?

a)

It traverses in a non increasing order

b)

It traverses in an increasing order

c)

It traverses in a random fashion

d)

It traverses based on priority of the node

51.

What is the time complexity of inserting at the end in dynamic arrays?

a)

O(1)

b)

O(n)

c)

O(logn)

d)

Either O(1) or O(n)

52.

The following formula will produce

Fn = Fn-1 + Fn-2

a)

Armstrong Number

b)

Fibonacci Series

c)

Euler Number

d)

Prime Number

53.

What is the output of the following code snippet?

void solve() {

stack<int> s;

s.push(1);

s.push(2);

s.push(3);

for(int i = 1; i <= 3; i++) {

cout << s.top() << “ “;

s.pop();

}

}

a)

3 2 1

b)

1 2 3

c)

3

d)

1

54.

A priority queue can efficiently implemented using which of the following data structures? Assume that the number of insert and peek (operation to see the current highest priority item) and extraction (remove the highest priority item) operations are almost same.

a)

Linked List

b)

Array

c)

Heap Data Structures like Binary Heap, Fibonacci Heap

d)

None of the Above

55.

Which of the following is a true about Binary Trees

a)

Every binary tree is either complete or full.

b)

Every complete binary tree is also a full binary tree.

c)

Every full binary tree is also a complete binary tree.

d)

No binary tree is both complete and full.

e)

None of the Above

56.

The preorder traversal sequence of a binary search tree is 30, 20, 10, 15, 25, 23, 39, 35, 42. Which one of the following is the postorder traversal sequence of the same tree?

a)

30, 20, 15, 23, 25, 35, 42, 39, 10

b)

30, 10, 25, 23, 20, 42, 35, 39, 15

c)

30, 20, 10, 23, 25, 42, 35, 39, 15

d)

15, 10, 23, 25, 20, 35, 42, 39, 30

57.

 

Which of the following traversal outputs the data in sorted order in a BST?

a)

Preorder

b)

Inorder

c)

Postorder

d)

Level Order

58.

 

Consider a node X in a Binary Tree. Given that X has two children, let Y be Inorder successor of X. Which of the following is true about Y?

a)

Y has no right child

b)

Y has no left child

c)

Y has both children

d)

None of the above

59.

How do you allocate a matrix using a single pointer in C?(r and c are the number of rows and columns respectively)

a)

int *arr = malloc(r * c * sizeof(int));

b)

int *arr = (int *)malloc(r * c * sizeof(int));

c)

int* arr = (int *)malloc(r+c * sizeof(int));

d)

int *arr = (int* )malloc(r * c * sizeof(arr));

60.

In binary tree,the maximum number of nodes at any level n is:

a)

n

b)

2^n

c)

n+1

d)

2*n

61.

.What is the best case time complexity of the binary search algorithm

a)

O(1)

b)

O(n)

c)

O(log(2*n))

d)

O(n^2)

62.

In linked list implementation of a queue, front and rear pointers are tracked. Which of these pointers will change during an insertion into EMPTY queue?

a)

Only front pointer

b)

Only rear pointer

c)

Both front and rear pointer

d)

No pointer will be changed

63.

What is the worst case complexity of selection sort?

a)

O(nlogn)

b)

O(logn)

c)

O(n)

d)

O(n^2)

64.

What is the value of the postfix expression 6 3 2 4 + - * ?

a)

1

b)

40

c)

74

d)

-18

65.

The operation of processing each element in the list is known as

a)

Sorting

b)

Merging

c)

Inserting

d)

Traversal

66.

Which Symbol means "All"

a)

*

b)

&

c)

%

d)

!

67.

Which would find pupils with "er" anywhere in their name?

a)

SELECT * FROM Pupils Where Name = "%er"

b)

SELECT * FROM Pupils Where Name = "$er$"

c)

SELECT * FROM Pupils Where Name = "%er%"

d)

SELECT * FROM Pupils Where Name = "er%"

68.

What is it called when SQL is used in an attempt to harm a database?

a)

SQL Injection

b)

SQL Interception

c)

SQL Attack

d)

SQL Misuse

69.

Choose the correct query

a)

SELECT * FROM EMP WHERE NAME=NULL

b)

SELECT * FROM EMP WHERE NAME IS NULL;

c)

SELECT FROM EMP WHERE NAME IS NULL;

d)

SELECT *FROM EMP WHERE NAME IS 'NULL';

70.

What will be the output?

SELECT ROUND(36.7894,2)

a)

36.78

b)

38.79

c)

36.7

d)

36

71.

What will be the outputI:

SELECT INSTR('KVMANKHURD','MAN');

a)

2

b)

3

c)

5

d)

NONE

72.

Which is the correct query to delete the rows of employees whose exp is less than 10.

a)

DELETE * FROM EMP WHERE EXP<10;

b)

DELETE FROM EMP;

c)

DELETE FROM EMP WHERE EXP<10;

d)

DELETE FROM EMP WHERE EXP>10;

73.
Return all dramas made after 2004.
a)
SELECT * FROM movies WHERE genre = 'drama';
b)
SELECT * FROM movies WHERE genre = 'drama' AND year > 2004;
c)
SELECT * FROM movies WHERE genre = "drama' AND year < 2004;
d)
SELECT * FROM movies WHERE imdb_rating = 7 AND LIMIT = 7
74.

A table T_COUNT has 12 number values as 1, 2, 3, 32, 1, 1, null, 24, 12, null, 32, null. Predict the output of the below query.

SELECT COUNT (*) FROM t_count;
a)

12

b)

6

c)

9

d)

Throws exception because COUNT function doesn't works with NULL values

75.

Predict the outcome of the below query

SELECT department_id , COUNT(first_name )
FROM employees 
WHERE job IN ('SALESMAN','CLERK','MANAGER','ANALYST')
GROUP BY department_id 
HAVING AVG(salary ) BETWEEN 2000 AND 3000;
a)

It returns an error because the BETWEEN operator cannot be used in the HAVING clause.

b)

It returns an error because WHERE and HAVING clauses cannot be used in the same SELECT statement.

c)

It returns an error because WHERE and HAVING clauses cannot be used to apply conditions on the same column.

d)

It executes successfully.