The average age of Mitali, Sofia and Ramesh is $9$ years. Mitali's brother amal is $13$ years old. Let's calculate the average age of four of them.

$(0÷1000+5)-(0\times 8000+4)=$_____

$25÷5=$ _____

Isha has $\mathrm{Rs} 1000$ with her. She wants to buy petrol. One litre of petrol costs $₹47$. How many litres can she buy?
Isha can buy _____ litres of petrol.

Solve:

_____ $\times 9=63$

Find the quotient:

$1000÷100=$_____

A rope length $24 \mathrm{m}$ has been divided into $6$ equal pieces. The length of each piece is _____ $\mathrm{m}$.

Identify the operation to be performed and write addition, subtraction, multiplication or division in the blank to replace question mark.

$3060÷10=51 \left(?\right)$  $6$

The operation to be performed is _____.

Divisor $\times$ Quotient $+$ Remainder $=$ _____