English

The length of a side of square is given as 2x + 3. Which expression represents the perimeter of the square?

Advertisements
Advertisements

Question

The length of a side of square is given as 2x + 3. Which expression represents the perimeter of the square?

Options

  • 2x + 16

  • 6x + 9

  • 8x + 3

  • 8x + 12

MCQ
Advertisements

Solution

8x + 12

Explanation:

We know that, perimeter of the square = 4 × side

From the question it is given that, side length of the top of square table is 2x + 3

Then, perimeter = 4 × (2x + 3)

= (4 × 2x) + (4 × 3)

= 8x + 12

shaalaa.com
  Is there an error in this question or solution?
Chapter 10: Algebraic Expressions - Exercise [Page 315]

APPEARS IN

NCERT Exemplar Mathematics [English] Class 7
Chapter 10 Algebraic Expressions
Exercise | Q 16. | Page 315

RELATED QUESTIONS

Write down the following in the product form: 9xy2z


Find a number which when multiplied by 5 is increased by 80.


If a number is tripled and the result is increased by 5, we get 50. Find the number.


One out of two numbers is thrice the other. If their sum is 124, find the numbers.


Reena is 6 years older than her brother Ajay. If the sum of their ages is 28 years, what are their present ages?


Deepak is twice as old as his brother Vikas. If the difference between their ages is 11 years, find their present ages.


A man is 4 times as old as his son. After 16 years he will be only twice as old as his son. Find their present ages.


A man is thrice as old as his son. Five years ago the man was four times as old as his son. Find their present ages.


If I spend f rupees from 100 rupees, the money left with me is ______ rupees.


If m is a whole number, then 2 m denotes a multiple of 2.


The side length of the top of square table is x. The expression for perimeter is ______.


The speed of car is 55 km/hrs. The distance covered in y hours is ______.


Find the perimeter of the figure given below:


In a rectangular plot, 5 square flower beds of side (x + 2) metres each have been laid (see the figure). Find the total cost of fencing the flower beds at the cost of ₹ 50 per 100 metres:


The sum of first n natural numbers is given by `1/2n^2 + 1/2n`. Find the sum of first 11 natural numbers.


The sum of squares of first n natural numbers is given by `1/6n(n + 1)(2n + 1)` or `1/6(2n^3 + 3n^2 + n)`. Find the sum of squares of the first 10 natural numbers.


The sum of the multiplication table of natural number ‘n’ is given by 55 × n. Find the sum of table of 10.


If = 2x + 3,  = `3/2x + 7` and  = x – 3 then find the value of:

2 +


If = 2x + 3,  = `3/2x + 7` and  = x – 3 then find the value of:

`1/2` + – 3


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×