Expressions

Which of the following is the odd one out?

• $7\times8\times m\times n$

• $2\times m\times n\times28$

• $54mn$

• $56mn$

Which of the following is not an expression?

• $2t$

• $4gk$

• $b+d$

• $\frac{z}{z}$

The simplified form of the below expression is

 $5j-7j-y$  

•  $-2j+y$  

•  $-2j-y$  

•  $2j-y$  

•  $\left(5-7\right)j-y$  

The expanded form of 11xyz is

• $11\times x\times y$

• $11\times y\times x\times y$

• $x\times y\times z\times11$

• $11\times z\times x\times z$

Which of the following pairs of expressions are not like terms?

• $4pq\ ;\ \ \ \ -pq$

• $\frac{20}{3}dh\ ;\ \ \ \ \ 0\cdot3hd$

• $3\times a\times b\ ;\ \ \ \ \ \ \ 4ba$

• $s^2t\ \ ;\ \ \ \ -9t^2s$

Which is the odd one out?

• $20u-5u$

• $3\times5\times u$

• $u\times15$

• $-15u$

When abc, cab and bac are added together, the simplified answer is

• $abc+cab+bac$

• $2abc+bac$

• $3abc$

• $abc+2cab$

The cost of a dress when at a discount of Rs 200 is

• $d+200$

• $200-d$

• $\frac{d}{200}$

• $d-200$

The area of the given rectangle in the simplest form is

• $2h\times w$

• $4hw$

• $2w\times h$

• $2hw$

Which expression represents the following statement?

'The total number of cookies eaten by 5 people if each person ate 'c' cookies' is

• $c+5$

• $c-5$

• $\frac{c}{5}$

• $c\times5$