Given the Number Finding the Result

Q.

The equation having only a single variable with highest power one is called a linear equation

1. True
2. False

Q.

Solve the following to find the value of the variables.

$\text{x + 4 =15}$.

Q. Why and how any no. raised to 0 is always one ?

Q.

1-x/0.3=3

Q. Sum of two numbers is $95$. If one exceeds the other number $15$, find the numbers

Q.

Can you find two integers m, n such that 2^m+n = 2^mn?

Q. What number should be added to $\frac{-3}{5}\mathrm{to}\mathrm{get}\frac{2}{3}?$

Q. 38. If x= 3+22, find the value of 1/x

Q. What number should be subtracted from $\frac{-3}{4}$ to get $\frac{-1}{2}$?

Q. is the solution of the equation $4x+25=7x+10$.

1. $x=4$
2. $x=5$
3. $x=8$
4. $x=10$

Q. Which of the following equation is not linear?

Q.

Write the positive and negative sign for the following statement.

Height of a skyscraper

Q. The solution of the the equation
$5(3x+5)=2(7x-4)$ is

1. $x=17$
2. $x=33$
3. $x=-33$
4. $x=-17$

Q. If ‘A × B’ means that ‘A is the sister of B’, ‘A ÷ B’ means that ‘A is the daughter of B’, ‘A – B’ means that ‘A is the son of B’, then how is P related to S in relationship P – Q × R ÷ S ?

1. Son
2. None of these
3. Grandson
4. Brother

Q. $2x^2-5=3$ is a linear equation in one variable.

1. False
2. True

Q. To get 2𝑥 + 5 = 3𝑥, what number should be taken as 𝑥?

1. 2
2. 3
3. 4
4. 5

Q. If the numbers a, b, c, d, e from an A.P then the value of a -4b + 6c - 4d +e is

Q.

If the number 4 is added with 2 then, multiplied by 5, what is the resulting number?

1. 20

2. 30

3. 50

4. 40

Q. If $x=\frac{1}{2}$, then the value of $x+\frac{1}{1+\frac{1}{1+\frac{1}{x}}}$ is equal to

1. $\frac{5}{4}$
2. $\frac{4}{5}$
3. $\frac{3}{4}$
4. $\frac{1}{4}$

Q.

If the number 50 is divided by 5 then, multiplied by 10, what is the resulting number?

1. 300

2. 400

3. 100

4. 200

Q.

If the number 7 is multiplied by 3 then, added with 5, what is the resulting number?

1. 16

2. 36

3. 26

4. 76

Q. a rational number is such that when you multiply it by 5/2 and add 2/3 to the product you get -7/12.what is the nimber?

Q.

In the linear equation, the highest power of the variable ________

Q. Which of the following is a linear equation in one variable?

1. x+10=0
2. 4x+5y=0
3. 15(x+y)=0
4. 2a+3b=7

Q. Find the value of 6.65*6.65+10.35*10.35+2*6.65*10.35 / 9.87*9.87-16.34*9.87+8.17*8.17

Q. To solve an equation, we take all the variables on to one side and all the constants to the other side of the equal to sign.

1. False
2. True

Q. In a linear equation, the highest power of the variable is 1.

1. False
2. True

Q. The sum of two rational numbers is −4. If one of them is $\frac{-11}{5}$, find the other.

Q. $\frac{1}{2}$ is subtracted from a number and the difference is multiplied by $4$. If $25$ is added to the product and the sum is divided by $3$, the result is equal to $10$. Find the number

1. $\frac{2}{3}$
2. $\frac{7}{4}$
3. $\frac{6}{7}$
4. $\frac{3}{5}$

Q. By what number should we multiply (−6)⁻¹ to obtain a product equal to 9⁻¹?