The postal rate for $800$ g of parcel is $₹500$ . Find the rate for $100$ g of parcel.

Note your observation.

The postal rate for $800$ g of letter is $₹150$ . Find the rate for $100$ g of letters.

Note your observation.

The postal rate for $100$ g of parcel is $₹50$ . Find the rate for $800$ g of parcel.

Note your observation.

The postal rate for $100$ g of letter is $₹12$ . Find the rate for $800$ g of letters.

Note your observation.

How much will you have to pay for stamps on a parcel weighing $150$ grams?

Postal rates are higher for heavier items.

How much will you have to pay for stamps on a letter weighing $60$ grams?

John has the following stamps:

Calculate the total cost of postal stamps John has.

Rishi needs stamps for $35$ rupees for his parcel. He went to the post office. Only stamps of Rs $1$ ,Rs $2$ ,Rs $5$ and Rs $10$ were there at that time.

Can you show four different ways to make it?

Rishi needs stamps for $20$ rupees for his parcel. He went to the post office. Only stamps of Rs $2$ and Rs $5$ were there at that time.

Can you show four different ways to make it?

Iqbal needs stamps of $₹25$ for his parcel. He went to the post office. Only stamps of $₹1$,$₹2$, $₹5$, and$₹10$ were there at that time. Using those stamps in how many different ways can he make $₹25?$

Look at the postal rates given in the chart.

Read the weight shown in the picture. Find out the cost of sending a parcel of that weight.

Parcel weight $=$ _____ 

Cost of stamps $=$ _____

Waseem wants to send a parcel of the Merry Maths textbook to his friend Rani in Chennai. The book weighs $200 \mathrm{g}$. See the chart of posting the book in$(₹)$ .

Look at the postal rates given in the chart.

How much will you have to pay for stamps on a letter weighing $50 \mathrm{grams}$ (in $₹$)?

How much does an Inland letter cost?

(Write the final answer numeral only in the box without unit.)

How much does a post card cost?

What different things do people go post office for?

Avi needs stamps of $₹10$ for his parcel. He went to the post office. Only stamps of $₹1, ₹2, ₹5 \mathrm{and} ₹10$ were there at that time. Using those stamps in how many different ways can he make$₹10$ . Show any three different ways.

Ravi needs stamps of $₹30$ for his parcel. He went to the post office. Only stamps of $₹1, ₹2, ₹5 \mathrm{and} ₹10$ were there at that time. Using those stamps in how many different ways can he make$₹30$ . Show any three different ways.

Abhinav needs stamps of $₹20$ for his parcel. He went to the post office. Only stamps of $₹1, ₹2, ₹5 \mathrm{and} ₹10$ were there at that time. Using those stamps in how many different ways can he make$₹20$ . Show any three different ways.