# Formation of Algebraic Expressions

## Trending Questions

**Q.**

The sum of three consecutive multiples of $8$ is $888$. Find the multiples

**Q.**Lipika reads a book for 134 hours every day. She reads the entire book in 6 days. How many hours in all were required by her to read the book? [3 Marks]

**Q.**

Everybody in a room shakes hands with everybody else. The total number of hand shakes is $66$. The total number of persons in the room is

$9$

$12$

$10$

$14$

**Q.**

Everybody in the room shakes hands with everybody else. The total number of hand shakes is$66$. The total number of persons in the room is

$11$

$12$

$13$

$14$

**Q.**

How to convert $65$ into binary ?

**Q.**

The cost of $\frac{19}{4}$metres of wire is$\u20b9\frac{171}{2}$. Find the cost of one metre of the wire.

**Q.**

Village $\mathrm{X}$ has a population of $68000$ which is decreasing at the rate of $1200$ per year. Village $\mathrm{Y}$ has a population of $42000$, which is increasing at the rate of 800 per year. In how many years will the population of two villages be equal?

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

- Algebraic coefficient
- All of the above
- Algebraic equation
- Algebraic expression

**Q.**

Find the value of:

−712÷(−213)

**Q.**

Question 78

The sum of two integers is 30. If one of the integer is -42, then find the other.

**Q.**

Write $2754629$ in words in international system of numeration.

**Q.**Question 5(i)

Obtain the product of:

xy, yz, zx

**Q.**

Auto's in Bangalore have a fixed charge of Rs. 25 for first 2 km and then an additional charge of Rs. 13 per additional km. If x represents the distance travelled, the expression for total charge is ______.

None of these

13x+1

13x−1

25 + 13x

**Q.**

What number is $80$ percent of $60$?

**Q.**

Twice the number decreased by 22 is 48. Find the number.

**Q.**

Question 96

Sunita is half the age of her mother Geeta. Find their ages

(i) after 4 years.

(ii) before 3 years.

**Q.**

Question 2 (ii)

Identify the terms and factors in the expressions given below:

a) -4x + 5

b) 5y+3y2

c) -4x + 5y

d) xy+2x2y2

e) p + q

f) -2.4b+3.6a

g) 34x+14

h) 0.1p2+0.2q2

**Q.**Archana bought some kilograms of wheat. She requires 12 kg per month and she got enough wheat milled for 3 months. After that, she had 14 kg left. How much wheat had Archana bought altogether?

**Q.**

Write an expression for the following statement:

Five more than twice a number.

**Q.**

If $90\%$of $\mathrm{x}$ is $315\mathrm{km}$, then the value of $\mathrm{x}$ is

$325\mathrm{km}$

$350\mathrm{km}$

$405\mathrm{km}$

$340\mathrm{km}$

**Q.**

If $2$ is added to the numerator of a fraction, it reduces to $\frac{1}{2}$ and if $1$is subtracted from the denominator, it reduces to$\frac{1}{3}$.

Find the fraction.

**Q.**

Convert the given statement into expression form and simplify:

One-fifth of a number minus $4$ gives $3$

**Q.**

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

Algebraic expression

Algebraic coefficient

All of the above

Algebraic equation

**Q.**

Question 4 (v)

Find the value of:

−213÷17

**Q.**

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

Algebraic variable

Algebraic expression

All of the above

Algebraic coefficient

**Q.**

Simplify

(s2t+tq2)2−(2stq)2

**Q.**

The weight of 72 books is 9 kg.

How many such books would weigh 6 kg?

**Q.**

The number that exceeds its square by the greatest amount is

$-1$

$0$

$\frac{1}{2}$

$\frac{-1}{2}$

**Q.**In a polygon, any two sides with a common vertex are called ________ sides.

- parallel
- perpendicular
- adjacent
- opposite

**Q.**Write the mathematical expression for the following and find its value.

'Twenty divided by the difference of seven and two.'

- 20 ÷ (7 - 2), 4
- 20 ÷ 7 - 2, 5
- 20 ÷ (7 - 2), 1
- (7 - 2) ÷ 20, 4