Question Text
Question 1 :
Identify the variable from the equation 7 = (11×2) + p.
Question 2 :
The teacher distributes 5 pencils per student. Can you tell how many pencils are needed, given the number of students? (Use 's' for the number of students).
Question 3 :
Give expressions for 5 times y from which 3 is subtracted.
Question 4 :
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 6 :
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 7 :
A bird flies 1 kilometer in one minute. Can you express the distance covered by the bird in terms of its flying time in minutes? (Use t for flying time in minutes).
Question 9 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1a8b78c526e972caefae.PNG' />
In the above image, matchstick pattern of triangles is given. Find the general rule that gives the number of matchsticks in terms of the number of triangles.
Question 11 :
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 15 :
Take Sarita’s present age to be y years. Sarita’s grandfather is 6 times her age. What is the age of her grandfather?
Question 18 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1a8b78c526e972caefad.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 19 :
State if the following is an equation. Identify the variable from the equations with a variable. $x-2=0$