Question 2 :
What is the sum of these numbers $\dfrac {8}{4}, \dfrac {9}{6}, 1,\dfrac {3}{5}$ ?<br/>

Question 5 :
Fill in the blanks.<br/>(i) The number _____ is neither positive nor negative rational number.<br/>(ii) There are ___ number of rational numbers between two rational numbers.<br/>(iii) A rational number is defined as a number which can be expressed in the form of $\frac{p}{q}$, where p and q are ______ and q is not equal to _____

Question 7 :
Match the correct product to the given expression $3 \times 5 \times 2 \times 5 = ..........$

Question 9 :
$6202.5 + 620.25 + 62.025 + 6.2025 + 0.62025 = x.$&#160;Find $x.$