Inequations

Q.

If sign of each term on both sides of an inequation is changed, then which of the following is true regarding the sign of inequality?

1. Sign of inequality remains the same.

2. Sign of inequality gets reversed only if both sides changes to positive terms.

3. Sign of inequality gets reversed.

4. Sign of inequality remains same only if both sides changes to positive terms.

Q.

$A=\left\{\right(a,b):b=2a-5\}$ If $(m,5)and(6,n)$ are the member of set A then m and n are respectively

1. $5,7$

2. $7,5$

3. $2,3$

4. $5,3$

Q.

If x < y, then which of the following inequations hold true?

1. x + y < 0

2. x - y < 0

3. x/y < 0

4. -x - y < 0

Q.

I think of a number, add $2$ to it and result is greater than $8$

Q. If twice x is 40 more than y, then (x -21) $\frac{y}{2}$, (where x and y are Natural numbers).

1. >
2. <
3. =

Q. If x is a natural number, match the following inequalities with the number of values x can take.

1. 4
2. 7
3. 6

Q.

Write an equation for the following:

On adding three-fourths of a number to$3$, we get$42$.

Q.

In the given inequation 2x > 6 ; which of the following cannot be the value of the x ?

1. 5

2. 6

3. 3

4. 7

Q. If 6x < 36, then which of the following can't be the value of x where x is a natural number?

1. 5
2. 4
3. 0
4. 7

Q. ax + b = c is the general form of a linear where a, b and c are numbers.

1. natural
2. whole
3. real
4. integral

Q. Which of the following is not an inequation?

1. $5x>23$
2. $\frac{x}{2}<3$
3. $x+2=2+3x$
4. $20\le x$

Q.

If 3x - 15 > 9 and x is an integer, then the minimum value of x is _____.

1. 8

2. 10

3. 9

4. 11

Q.

Which of the following is not an equivalent inequation to -3x + 1 > 4?

1. -3x > 3

2. x > -1

3. -5x > 3 - 2x

4. x < -1

Q. If x is a natural number, match the following inequalities with the number of values x can take.

1. 4
2. 7
3. 6

Q.

Represent the given statement in the form of inequation

Twice the length of a rectangle is less than area of the rectangle ; if length is represented using $l$ and area is represented using A.

1. $2l>A$
2. $2l<A$
3. $l<2A$
4. $l\le A$

Q.

Which of the following statement is true for the inequation $2x+5>27$?

1. $2x<27+5$
2. $2x<27-5$
3. $2x>27-5$
4. $2x>27+5$