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Chapter 1 Class 9 Number Systems
Ex 1.1, 4 (i) Important
Ex 1.2, 1 (i)
Ex 1.2, 3 Important
Example 7 Important
Example 9 Important
Example 10 Important
Ex 1.3, 3 (i)
Ex 1.3, 8 Important
Ex 1.3, 9 (i)
Example 15 (i) Important
Example 18
Ex 1.4, 1 (i)
Ex 1.4, 2 (i) Important
Ex 1.4, 4
Ex 1.4, 5 (i)
Example 20 (i)
Ex 1.5, 1 (i)
Ex 1.5, 2 (i) Important
Ex 1.5, 3 (i) Important
Chapter 1 Class 9 Number Systems
Last updated at May 29, 2023 by Teachoo
Ex1.1, 3 Find five rational numbers between 3/5 and 4/5 . As we have to find 5 rational numbers, we multiply the numbers by 6/6 3/5 = 3/5 × 6/6 4/5 = 4/5 × 6/6 Therefore, 5 rational numbers between 3/5 and 4/5 (i.e. 18/30 & 24/30 ) are 19/30 , 20/30, 21/30, 22/30, 23/30