Achieve Indian Navy Agniveer Science and Mathematics Practice Book>Chapter 12 - Algebraic Expressions>Exercise 1>Q 25

EASY

Indian Navy Agniveer

IMPORTANT

Earn 100

The cost price of $4$ books and $3$ pencils is same as that of $8$ books and $1$ pencil. This cost will be same as that of which one of the following?

50% studentsanswered this correctly

Important Questions on Algebraic Expressions

EASY

Indian Navy Agniveer

IMPORTANT

Achieve Indian Navy Agniveer Science and Mathematics Practice Book>Chapter 12 - Algebraic Expressions>Exercise 1>Q 26

In a test, 3 marks are given to each correct answer, and 2 marks are cut for each wrong answer. In that test of 50 questions, a student got 60 marks. How many questions did he solve correctly?

EASY

Indian Navy Agniveer

IMPORTANT

Achieve Indian Navy Agniveer Science and Mathematics Practice Book>Chapter 12 - Algebraic Expressions>Exercise 1>Q 27

The lines

3 x - 4 y + 5 = 0, 7 x - 8 y + 5 = 0

and

4 x + 5 y - 45 = 0

are:

EASY

Indian Navy Agniveer

IMPORTANT

Achieve Indian Navy Agniveer Science and Mathematics Practice Book>Chapter 12 - Algebraic Expressions>Exercise 1>Q 28

The equation of the

y

-axis is

EASY

Indian Navy Agniveer

IMPORTANT

Achieve Indian Navy Agniveer Science and Mathematics Practice Book>Chapter 12 - Algebraic Expressions>Exercise 1>Q 29

The graph of the line $x = 3$ passes through the point

EASY

Indian Navy Agniveer

IMPORTANT

Achieve Indian Navy Agniveer Science and Mathematics Practice Book>Chapter 12 - Algebraic Expressions>Exercise 1>Q 30

How many linear equations can be satisfied by

x = 2

and

y = 3

?

EASY

Indian Navy Agniveer

IMPORTANT

Achieve Indian Navy Agniveer Science and Mathematics Practice Book>Chapter 12 - Algebraic Expressions>Exercise 1>Q 31

If

x^{2} + k x + k = 0

has repeated roots, then the value of

k

will satisfy:

EASY

Indian Navy Agniveer

IMPORTANT

Achieve Indian Navy Agniveer Science and Mathematics Practice Book>Chapter 12 - Algebraic Expressions>Exercise 1>Q 32

One of the roots of the equation is $x^{2} - 4 x + k = 0$ is $x = 3 .$ Find the other root?

EASY

Indian Navy Agniveer

IMPORTANT

Achieve Indian Navy Agniveer Science and Mathematics Practice Book>Chapter 12 - Algebraic Expressions>Exercise 1>Q 33

If one root of the equation

4 x^{2} - 2 x + (k - 4) = 0

be the reciprocal of the other, then

k = ?