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\ 03-Oct-2025 Bharat Arora Proof-9 Reader’s Sign _______________________ Date __________
Example 1: Multiply `16.25 by 5.
3 1 2
Solution: Step 1. Multiply the given amount by the number ignoring ` 1 6 . 2 5
the point (.). × 5
1625 × 5 = 8125 ` 8 1 . 2 5
Step 2. Put a point in the product after the second digit from the right.
8125 81.25
Thus, `16.25 × 5 = `81.25
Example 2: Shweta bought a pen for `5.75. What is the cost of 6 such pens?
4 3
Solution: Cost of 1 pen = ` 5 . 7 5
Number of pens = × 6
Total cost of 6 pens = ` 3 4 . 5 0 ` 5.75
Thus, the cost of 6 such pens is `34.50.
Example 3: An envelope in the post office costs `5.50. What is the cost of 8 such
envelopes?
Solution: 4
Cost of 1 envelope = ` 5 . 5 0
Number of envelopes = × 8
Cost of 8 envelopes = ` 4 4 . 0 0
Thus, the cost of 8 envelopes is `44.
division of Money
Division of money is similar to the division of ordinary numbers.
Step 1. Divide the given amount by the given number, ignoring the point (.).
Step 2. Then, put a point after the second digit from the right in the quotient.
Example 4: Divide `50.30 by 5.
Solution: Step 1. Divide 5030 by 5. Think Tank Critical Thinking
5 5030 1006 1. Which Indian currency note
5 bears the Swachh Bharat
00 Abhiyan logo and has the image of the Red
00 Fort?
30 2. The highest denomination currency note
30 of India printed by the RBI in the 21st
century was of________.
0
Mathematics-3 203

