Question 1 :
Take Sarita's present age to be 'y' years. What will be her age 5 years from now?

Question 3 :
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 4 :
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 5 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1a8b78c526e972caefaf.PNG' /> In the above image, matchstick pattern of squares is given. The squares are not separate. Two neighbouring squares have a common matchstick. Observe the pattern and find the rule that gives the number of matchsticks in terms of the number of squares. (Hint: If you remove the vertical stick at the end, you will get a pattern of Cs.)