Page 116 - Math Skill - 4

114 Maths

Exercise 8.4

1. Multiply the following.

(a) ` 35.36 × 3 (b) ` 23.25 × 6 (c) ` 120.38 × 5 (d) ` 138.72 × 12
2. Divide the following.

(a) ` 45.88 ÷ 4 (b) ` 720.80 ÷ 8 (c) ` 960.20 ÷ 4
3. If the cost of 10 kg of potato is ` 130.20. Find the cost of 1 kg of potato.

4. If the cost of a ball is ` 28.40, then what will be the cost of 5 such balls?
5. If 8 children went to see the book fair and spent ` 480 to buy the tickets. How much did
one ticket cost?
6. The cost of one pen is ` 21.75. Deepa bought 3 such pens and gave the shopkeeper a
50-rupee note. What more amount would she have to pay to the shopkeeper?

7. Mr. Singh bought 17 pairs of socks. If one pair costs ` 35.70, find the price of
17 pairs.

8. The cost of 5 tickets from one station to another in a railway journey is ` 625.50. Find the
cost of 1 ticket.

Bill of Purchase

You must have seen the bills which we get from the shopkeepers after making purchases.
A bill generally contains names of the commodities purchased and the price for each commodity.
For example, Aditya makes following purchase:

1 soap for ` 17.75, 2 pens each costing ` 10, 3 notebooks each costing ` 8.
Make a bill for the above purchases.

Bill for the above Purchase Date : __________

Item Quantity Rate/Unit (`) Amount (in `) (Quantity × Rate)
Soap 1 17.75 17.75 (17.75 × 1)

Pens 2 10.00 20.00 (10.00 × 2)
Notebooks 3 8.00 24.00 (8.00 × 3)

Total amount (`) 61.75

Exercise 8.5

1. Sameer makes following purchases:
1 pen for ` 10, 5 pencils each costing ` 4.50, 3 eraser each costing ` 2.50.

Make a bill for the above purchases.
2. Vikas, a junkseller has bought some junk items from junk collectors.

Here is the rate list for junk.