# Algebraic Expression

## Trending Questions

**Q.**

In a college of $300$ students, every student reads $5$ newspapers and $60$ students read every newspaper. The number of newspapers is ______

**Q.**why F=dp/dt or F=ma

**Q.**

Simplification of 6−{32+(35−12)} gives:

1610

4410

3310

515

**Q.**Write the algebraic expression for the following:

5 is added to three times the number x.

- 3x−5
- 5x+3
- 3x×5
- 3x+5

**Q.**differentiate (ax+b) from the first principle

**Q.**

Find the product: $\left({p}^{2}-{q}^{2}\right)\left(2p+q\right)$

**Q.**Square brackets are also called as

- big brackets
- small brackets
- middle brackets

**Q.**

Find the length and breadth of a rectangle given that its perimeter is $240cm$ and the length is $4$ times its breadth.

**Q.**Two-third of the students in a classroom are boys. If the total number of students in the class is x, what is the expression for the number of girls in the class?

- 13x
- 3x
- 32x

**Q.**

Simplify:${({m}^{2}-{n}^{2}m)}^{2}+2{m}^{3}{n}^{2}$

**Q.**Which among the following is the unit of area?

- m2
- m3
- m
- All of the above

**Q.**

Write the coefficient of:

xy in−2xyz

**Q.**

Express the statement in algebraic from:

7y subtracted from 5x gives 8z.

**Q.**what is crest

**Q.**

Express the statement in algebraic from:

8x dicided by y is equal to 2z.

**Q.**

The perimeter of a rectangular swimming pool is $154\mathrm{m}$.

Its length is $2\mathrm{m}$ more than twice its breadth.

What are the length and the breadth of the pool?

**Q.**

A pump empties $500l$of water in$5minutes$. How long will it take to empty a tank containing $1200l$ of water? How much water can this pump empty in$7minutes?$

**Q.**Find the value of −1[a−3{b−4(a−¯¯¯¯¯¯¯¯¯¯¯¯b−8)+4a}+10] if a = 1, b = 0.

- -107

**Q.**

There are $42$ people at a museum.

Two-thirds of them are children.

How many children are at the museum?

**Q.**

Write the coefficient of:

x in−3xy2

**Q.**

Raman turns on the hot water pipe, which delivers water at $8.5L/min$ into the bathtub. Two minutes later he also turns on the cold water pipe, which delivers water $13.0L/min$. Let Raman turned the cold water pipe for $xminutes$.

Write an expression for the amount of water that the cold water pipe has delivered.

**Q.**Express the statement in algebraic form:

15 multiplied by m gives 3n.

**Q.**Which of the following is not an example of types of brackets?

- Parenthesis
- Middle brackets
- Vinculum
- Medium bracket

**Q.**Olivia had bought x apples from a store. When she got home, she found that 4 of them were rotten. Of the rest, she gave one-third to her daughter. How many apples did she give to her daughter?

- x - 43
- x + 43
- (x - 4)×3
- (x - 4)÷3

**Q.**Equation is a mathematical statement that establishes equality between 2 expressions.

- False
- True

**Q.**We can find the value of all the variables where a=2b, c=3b if we know the value of

- only both a and b
- only a
- either a or b or c

**Q.**Identify the operations ( addition, subtraction, division, multiplication) in forming the following expressions and tell how the expressions have been formed.

z+1, z−1, y+17, y−17

**Q.**Which of the following defect changes the formula of solid Schottky defect F- centre defect Anion excess defect Frenkel defect

**Q.**Evaluate:

**30−[26−{15+(8−¯¯¯¯¯¯¯¯¯¯¯¯6−3)}]×815÷49×34−12+1 [4Mark]**

**Q.**What is meant by DBE ? EXPLAIN IN BRIEFLY.