Expression Formation

Q. The teacher tells the class that the highest marks obtained by a student in her class is four times the lowest marks plus $6$. The highest score is $65$. Form the equation which will calculate the lowest marks represented by $m$.

1. $6m+65=4$
2. $6m+4=65$
3. $4m+6=65$
4. $4m+65=6$

Q. Which of the following is a mathematical phrase that can contain numbers, variables and operators?

1. All of the above
2. Algebraic coefficient
3. Algebraic equation
4. Algebraic expression

Q.

Match the following figures according to the number of matchsticks required to make them.

1. 1-a; 2-b; 3-c

2. 1-a; 2-d; 3-c

3. 1-c; 2-a; 3-d

4. 1-c; 2-b; 3-a

Q.

What is the number of matchsticks you need to make 'n' number of 2’s?

1. 5+n
2. 2n
3. 5n
4. Cannot tell without knowing the value of n.

Q. If you take '$x$' as the number of chocolates you have, and you receive the same number of chocolates from your friend, then what will be the number of chocolates you have in total?

1. x
2. 2x
3. $x^2$
4. None of the above

Q.

$\frac{1}{x};x\ne 0$
is an algebraic expression.

1. True

2. False

Q.

$2+3x$ is an algebraic expression.

1. True

2. False

Q.

If 5 is added to three times the product of two numbers $m$ and $n$, then the expression will be _______.

1. $5+mn$

2. $5+3mn$

3. $m+3n+5$

4. $(mn+5)\times 3$

Q.

What will be the expression for the sum of numbers p and q, which is subtracted from their product ?

1. (p + q)pq

2. pq - p + q

3. pq + p + q

4. pq - p - q

Q.

What will be the algebraic expression formed when x is multiplied with y?

1. xy

2. x + xy

3. y + xy

4. 2(xy)