Question 1 :
Take Sarita's present age to be 'y' years. What was her age 3 years back?
Question 2 :
A rectangular box has height 'h' cm. Its length is 5 times the height and breadth is 10 cm less than the length. Express the length and the breadth of the box in terms of the height.
Question 3 :
State if the following is an equation. Identify the variable from the equations with a variable. $7 – x = 5$
Question 5 :
Does b = 4 satisfy the equation b + 5 = 9?
Question 7 :
Compare the following pairs of numbers using > or <, 11 ___ 15
Question 8 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c5f7f59b460d7261e565.PNG' />
The figure above represents a number line with several points on it. If point D is + 8, then which point is -8?
Question 10 :
Compare the following pairs of numbers using > or <, $(-25) -(-42)$___ $(-42)- (-25)$
Question 12 :
Mary bought $\begin{array}{l}3\frac{1}{2}\\\end{array}$ m of lace. She used $\begin{array}{l}1\frac{3}{4}\\\end{array}$ m of lace for her new dress. How much lace is left with her?
Question 14 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c3b0f59b460d7261e265.png' />
True or false. In the above figure, the fraction represented by the unshaded portion is $\begin{array}{l}\frac{5}{9}\\\end{array}$
Question 16 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c602f59b460d7261e573.PNG' />
Find the perimeter of the above figure.
Question 17 :
Find the area of the square whose sides are 10 cm
Question 18 :
Two sides of a triangle are 12 cm and 14 cm. The perimeter of the triangle is 36 cm. What is its third side?
Question 19 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c601f59b460d7261e572.PNG' />
Find the perimeter of the above figure.
Question 20 :
A room is 4 m long and 3 m 50 cm wide. How many square metres of carpet is needed to cover the floor of the room?
Question 21 :
In Indian System of Numeration, the number 61711682 is written, using commas, as __________.
Question 22 :
In a school library, there are 780 books of English and 364 books of Science. Ms. Yakang, the librarian of the school wants to store these books in shelves such that each shelf should have the same number of books of each subject. What should be the minimum number of books in each shelf?
Question 23 :
State true or false. The number 58963 rounded off to nearest hundred is 58900.
Question 25 :
Estimate the product 5981 × 4428 by rounding off each number to the nearest hundreds.