# 7th Class Mathematics Algebraic Expressions Question Bank

### done Algebraic Expressions

• A) 12

B) 2

C) 5

D) 24

•  $A=\frac{1}{2}h\,(a+b)$

A) 2

B) 3

C) 4

D) 1

• A) $5a+7b$

B) $-5a-7b$

C) $5a-7b$

D) $a-3b$

• A) $(l+w)\,(b+w)-lb$

B) $l\,b-(l-w)\,(b-w)$

C) $(l+b-w)w$

D) $l\,b-(l-2w)\,(b-2w)$

• A) $11x+3$

B) $2x+3$

C) $3+x$

D) $11x+30$

• A) $A=B$

B) $A+B$ is a zero polynomial.

C) $A-B$ is a zero polynomial.

D) $A-B=B-A$

• A) 2

B) $\frac{4}{3}$

C) $-1$

D) $-5$

• A) $\sqrt{49}\times \frac{1}{7}$

B) $\sqrt[3]{343}\times \frac{7}{7}$

C) 7

D) Both [b] and [c]

• A) $(8y+4x-3)\,cm$

B) $(8y-4x+3)\,cm$

C) $(14x-2y-3)\,cm$

D) $(12xy-3)\,cm$

• A) $\frac{bC-a}{C-1}$

B) $\frac{C-a}{C-b}$

C) $\frac{C+a}{C+b}$

D) $\frac{1-C}{a-bC}$

•  Column-I Column-II (i) $4{{m}^{2}}p,4m{{p}^{2}}$ (a) Binomial (ii) $5-3t$ (b) Unlike terms (iii) $-7x,\frac{5}{2}x$ (c) Trinomial (iv) $1+x+{{x}^{2}}$ (d) Like terms

A) $\left( i \right)-\left( a \right),\left( ii \right)-\left( b \right),\left( iii \right)-\left( c \right),\left( iv \right)-\left( d \right)$

B) $\left( i \right),\left( b \right),\left( ii \right)-\left( a \right),\left( iii \right)-\left( d \right),\left( iv \right)-\left( c \right)$

C) $\left( i \right)-\left( d \right),\left( ii \right)-\left( c \right),\left( iii \right)-\left( b \right),\left( iv \right)-\left( a \right)$

D) $\left( i \right)-\left( b \right),\left( ii \right)-\left( c \right),\left( iii \right)-\left( a \right),\left( iv \right)-\left( d \right)$

• A) The product of numbers p and q subtracted from 7 is $7+pq$.

B) $y-{{y}^{3}}$is a monomial.

C) The coefficient of ${{y}^{2}}$ in $2{{x}^{2}}y+7{{y}^{2}}$is 7.

D) $100{{z}^{3}}$ is a binomial.

• A) $-22$

B) $-14$

C) $12$

D) $14$

• A) $-1$

B) $-2$

C) $2$

D) $1$

• A) $0.9\,{{x}^{2}}{{y}^{3}}$

B) $-0.9\,{{x}^{2}}{{y}^{3}}$

C) $0.9$

D) $-0.9$

• A) $2{{a}^{3}}+7{{a}^{2}}+6a-10$

B) $2{{a}^{3}}+7{{a}^{2}}+12a-10$

C) $2{{a}^{3}}-4{{a}^{2}}+12a-10$

D) $2{{a}^{3}}-4{{a}^{2}}+6a-10$

• A) $-12{{x}^{2}}{{y}^{2}}$

B) $12{{x}^{2}}{{y}^{2}}$

C) $-12xy$

D) $12xy$

• A) $\frac{13}{6}a+\frac{25}{12}{{b}^{3}}-\frac{1}{20}{{c}^{3}}$

B) $\frac{13}{6}{{a}^{2}}-\frac{1}{20}{{b}^{3}}+\frac{25}{12}{{c}^{3}}$

C) $\frac{13}{6}{{a}^{2}}+\frac{25}{12}{{b}^{3}}-\frac{1}{20}{{c}^{3}}$

D) $\frac{13}{6}{{b}^{3}}+\frac{25}{12}{{a}^{3}}+\frac{1}{20}{{c}^{3}}$

•  Column - I Column - II (i) ${{a}^{2}}-{{b}^{3}}$ when $a=3$ and $b=2$ (a) $0$ (ii) ${{z}^{3}}-3(z-10)$ when $z=10$ (b) $-12$ (iii) ${{x}^{2}}+2x+1$ when $x=-1$ (c) $1000$ (iv) $5p-2$ when $p=-2$ (d) $1$

A) $\left( i \right)-\left( d \right),\left( ii \right)-\left( a \right),\left( iii \right)-\left( b \right),\left( iv \right)-\left( c \right)$

B) $\left( i \right)-\left( d \right),\left( ii \right)-\left( c \right),\left( iii \right)-\left( b \right),\left( iv \right)-\left( a \right)$

C) $\left( i \right)-\left( a \right),\left( ii \right)-\left( b \right),\left( iii \right)-\left( c \right),\left( iv \right)-\left( d \right)$

D) $\left( i \right)-\left( d \right),\left( ii \right)-\left( c \right),\left( iii \right)-\left( a \right),\left( iv \right)-\left( b \right)$

• A) $2x(y-z)$

B) $2y(z-x)$

C) $2x(z-y)$

D) $2z(x-y)$

• A) $18$

B) $17$

C) $24$

D) $16$

• A) $90$

B) $56$

C) $63$

D) $87$

• A) $2n-1$

B) $3n+2$

C) $4n+1$

D) ${{n}^{2}}-1$

• A) $2n-1$

B) $n+1$

C) $n-1$

D) $2n+1$

• A) A prime number

B) An even number

C) An odd number

D) A composite number

• A) An even number

B) An odd number

C) A composite number

D) A prime number

• A) $21p,-32$ and $20p$

B) $-32,-7p$ and $20p$

C) $21p,-7p$ and $20p$

D) $-7p,21p,$and $32$

• A) $\frac{1}{4}mn$

B) $\frac{1}{4}(m+n)$

C) $\frac{1}{4}(m-n)$

D) $\frac{1}{4}\,\frac{m}{n}$

• A) Equivalent

B) Unlike terms

C) Constants

D) Like terms

• A) $3x$

B) 3

C) $-13$

D) Either [a] or [b]

• A) $5\frac{3}{20}$

B) $3\frac{3}{20}$

C) $\frac{13}{20}$

D) $5\frac{1}{20}$

• A) $102\,cm$

B) $120\,cm$

C) $210\,cm$

D) $10p\,cm$

• A) $9x-3y+8z$

B) $9x+3y-8z$

C) $9x+3y+8z$

D) $9x-3y-8z$

• A) ${{105}^{o}}$

B) ${{65}^{o}}$

C) ${{115}^{o}}$

D) ${{65}^{o}}$

• A) $\text{8 }cm$

B) $\text{6 }cm$

C) $\text{10 }cm$

D) $\text{3 }cm$

• A) ${{y}^{2}}-2yz+{{z}^{2}}$

B) ${{y}^{2}}+2yz+{{z}^{2}}$

C) ${{y}^{2}}-2yz-{{z}^{2}}$

D) $-{{y}^{2}}+2yz-{{z}^{2}}$

• A) $p-q$

B) $-p+q$

C) $p+q$

D) $-(p+q)$

• A) $-2$

B) $-3$

C) $-4$

D) $-5$

• A) $-6$

B) $6$

C) $18$

D) $-18$

• A) $4>\frac{x}{2}$

B) $\frac{x-4}{2}$

C) $\frac{x}{2}+4$

D) $4<\frac{x}{2}$

• A) $23\,p$

B) $23-\,p$

C) $23+\,p$

D) $p-23$

• A) $6x$

B) $6x-10$

C) $\frac{3x}{5}$

D) $3x-5$

• A) $6(x-3)\,cm$

B) $6(x-6)\,cm$

C) $3(x+6)\,cm$

D) $(6x+36)\,cm$

• A) $33x+7$

B) $33x-7$

C) $33x-7x$

D) $33+7x$

•  $\frac{9}{10}(30+5t)+\frac{5}{6}(18t-12)$

A) $-17+\frac{39}{2}t$

B) $17t-\frac{39}{2}$

C) $\left( 17+\frac{39}{2}t \right)$

D) $17t+\frac{39}{2}$