20/08/2026
Question 1- Find three rational numbers between 3.1415 and 3.1416.
Question 2- A tailor has 15 whole 3/4 metres of fine silk. If making one kurta requires 2 whole 1/4 metres of silk, exactly how many kurtas can he make ?
Question 3- A mobile phone is bought for 10,000. its value decreases by rupees 800 every year.
(a) Find the value of the phone after 3 years.
(b) Make a table of values for t varying from 0 to 8 years and show how the value of the phone , v , depreciates with time.
(c) Find an expression that relates v and t , and explain why it represent Linear decay.