Question 2 :
State if the following is an equation. Identify the variable from the equations with a variable. $7 – x = 5$
Question 3 :
State if the following is an equation. Identify the variable from the equations with a variable. $ 7 = (11 \times 5) – (12 \times 4)$
Question 4 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1a8c78c526e972caefb1.PNG' />
A cube is a three - dimensional figure as shown above. It has six faces and all of them are identical squares. The length of an edge of the cube is given by $l$. Find the formula for the total length of the edges of a cube.
Question 5 :
Does p = 0 satisfy the equation p + 3 = 1?
Question 6 :
Give expressions for 5 times y from which 3 is subtracted.
Question 7 :
The side of an equilateral triangle is shown by $l$. Express the perimeter of the equilateral triangle using $l$.
Question 9 :
Meena, Beena and Leena are climbing the steps to the hill top. Meena is at step 's', Beena is 8 steps ahead and Leena 7 steps behind. Where is Leena?
Question 10 :
State if the following is an equation. Identify the variable from the equations with a variable. $17=x+7$
Question 11 :
State if the following is an equation. Identify the variable from the equations with a variable. $2n+1=11$
Question 12 :
Does p = - 2 satisfy the equation p + 3 = 1?
Question 13 :
If there are 50 mangoes in a box, how will you write the total number of mangoes in terms of the number of boxes? (Use 'b' for the number of boxes).
Question 16 :
Take Sarita's present age to be 'y' years. What will be her age 5 years from now?
Question 17 :
State if the following is an equation. Identify the variable from the equations with a variable. $\frac{3q}{2}<5$
Question 18 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1a8c78c526e972caefb2.PNG' />
In the above image, the side of a regular hexagon is denoted by $l$. Express the perimeter of the hexagon using $l$.
Question 19 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1a8d78c526e972caefb3.PNG' />
Find the rule which gives the number of matchsticks required to make the above matchstick pattern. Use a variable to write the rule. (Take variable as 'n').
Question 20 :
State if the following is an equation. Identify the variable from the equations with a variable. $z + 12 > 24$
Question 23 :
Take Sarita’s present age to be y years. Sarita’s father’s age is 5 years more than 3 times Sarita’s age. What is her father's age?
Question 24 :
Give expressions for y is multiplied by 5 and the result is subtracted from 16.
Question 25 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1a8d78c526e972caefb6.PNG' />
Find the rule which gives the number of matchsticks required to make the above matchstick pattern. Use a variable to write the rule. (Take variable as 'n').
Question 27 :
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 28 :
Give expressions for 5 times y to which 3 is added.
Question 31 :
Meena, Beena and Leena are climbing the steps to the hill top. Meena is at step 's', Beena is 8 steps ahead and Leena 7 steps behind. Where is Beena?
Question 32 :
Identify the variable from the equation 2n + 1 = 11.
Question 35 :
Solve the riddle: Go round a square
Counting every corner
Thrice and no more! Add the count to me
To get exactly thirty four. Who am I? (Take 'I' as 'x').
Question 36 :
State if the following is an equation. Identify the variable from the equations with a variable. $\frac{4}{2}=2$
Question 37 :
Take Sarita’s present age to be y years. Sarita’s grandfather is 6 times her age. Grandmother is 2 years younger than grandfather. What is grandmother's age?
Question 40 :
State if the following is an equation. Identify the variable from the equations with a variable. $20 – (10 – 5) = 3 \times 5$
Question 41 :
A bus travels at 'v' km per hour. It is going from Daspur to Beespur. After the bus has travelled 5 hours, Beespur is still 20 km away. What is the distance from Daspur to Beespur? Express it using 'v'.
Question 42 :
State if the following is an equation. Identify the variable from the equations with a variable. $2m<30$
Question 44 :
Identify the variable from the equation 7 = (11×2) + p.
Question 45 :
Radha is drawing a dot Rangoli (a beautiful pattern of lines joining dots) with chalk powder. She has 9 dots in a row. How many dots will her Rangoli have for 'r' rows?
Question 49 :
Meena, Beena and Leena are climbing the steps to the hill top. Meena is at step 's', Beena is 8 steps ahead and Leena 7 steps behind. Where is Meena?
Question 50 :
Meena, Beena and Leena are climbing the steps to the hill top. Meena is at step s, Beena is 8 steps ahead and Leena 7 steps behind.Where are Beena and Leena? The total numbe rof steps to the hill top is 10 less than 4 times what Meena has reached. Express the total number of steps using s.