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# Countdown Class 4 Third Edition Chapter # 1 Solution Word Problems 2

Student at punjab university lahore ร  Adil Aslam
14 Apr 2020โขโข
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Countdown Class 4 Third Edition Chapter # 1 Solution Word Problems
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### Countdown Class 4 Third Edition Chapter # 1 Solution Word Problems 2

1. ๏ฏ ๐๐ฎ๐ฆ๐๐๐ซ๐ฌ ๐๐ง๐ ๐๐ซ๐ข๐ญ๐ก๐ฆ๐๐ญ๐ข๐ ๐๐ฉ๐๐ซ๐๐ญ๐ข๐จ๐ง๐ฌ ๏ฏ Countdown Mathematics Class 4 Third Edition ๐๐ก๐๐ฉ๐ญ๐๐ซ # ๐ ๐๐จ๐ซ๐ ๐๐ซ๐จ๐๐ฅ๐๐ฆ๐ฌ
2. ๐๐จ๐ญ๐๐ฌ ๐๐ฒ: Adil Aslam ๐๐ฎ๐๐ฃ๐๐๐ญ: Mathematics Class 4 1 | P a g e ๐๐ฒ ๐๐ฆ๐๐ข๐ฅ ๐๐๐๐ซ๐๐ฌ๐ฌ: ๐๐๐ข๐ฅ๐๐ฌ๐ฅ๐๐ฆ๐๐๐๐@๐ ๐ฆ๐๐ข๐ฅ. ๐๐จ๐ฆ ๐๐จ๐ซ๐ ๐๐ซ๐จ๐๐ฅ๐๐ฆ๐ฌ ๐๐จ๐จ๐ค ๐๐๐ ๐ # ๐๐ ๐๐จ๐ญ๐: ๐๐จ๐ฅ๐ฏ๐ ๐๐ฅ๐ฅ ๐ช๐ฎ๐๐ฌ๐ญ๐ข๐จ๐ง๐ฌ ๐จ๐ง ๐ฒ๐จ๐ฎ๐ซ ๐ง๐จ๐ญ๐ ๐๐จ๐จ๐ค. ๐๐ฅ๐๐๐ฌ๐ ๐๐จ ๐๐ฅ๐ฅ ๐ฐ๐จ๐ซ๐ค ๐ง๐๐๐ญ ๐๐ง๐ ๐๐ฅ๐๐๐ง. ๐๐จ๐ฅ๐ฏ๐ ๐ญ๐ก๐ ๐ฉ๐ซ๐จ๐๐ฅ๐๐ฆ๐ฌ, ๐ฐ๐ซ๐ข๐ญ๐ข๐ง๐  ๐๐จ๐ฆ๐ฉ๐ฅ๐๐ญ๐ ๐ฌ๐ญ๐๐ญ๐๐ฆ๐๐ง๐ญ๐ฌ. ๐. ๐ ๐ฅ๐๐๐ค๐ข๐ง๐  ๐ญ๐๐ฉ ๐ฐ๐๐ฌ๐ญ๐๐ฌ ๐๐๐๐ ๐๐ ๐จ๐ ๐ฐ๐๐ญ๐๐ซ ๐ข๐ง ๐ ๐ก๐จ๐ฎ๐ซ. ๐๐จ๐ฐ ๐ฆ๐ฎ๐๐ก ๐ฐ๐๐ญ๐๐ซ ๐ฐ๐ข๐ฅ๐ฅ ๐๐ ๐ฐ๐๐ฌ๐ญ๐๐ ๐ข๐ง ๐ ๐๐๐ฒ? ๐๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง: Water wasted in 1 hour = 3750 ๐๐ We know that one day = 24 hours Water wasted in 24 hours = 3750 ร 24 Thus water wasted in 1 day = 90 000 ๐๐ ๐. ๐๐๐ก๐๐ง ๐๐จ๐ฎ๐ง๐ ๐จ๐ฎ๐ญ ๐ญ๐ก๐๐ญ ๐ก๐ ๐๐๐ง ๐ฌ๐๐ฏ๐ ๐๐๐๐ ๐ฆ๐ฅ ๐จ๐ ๐ฐ๐๐ญ๐๐ซ ๐๐ฏ๐๐ซ๐ฒ ๐๐๐ฒ ๐๐ฒ ๐ง๐จ๐ญ ๐ฅ๐๐๐ฏ๐ข๐ง๐  ๐ญ๐ก๐ ๐ญ๐๐ฉ ๐จ๐ฉ๐๐ง ๐๐จ๐ง๐ญ๐ข๐ง๐ฎ๐จ๐ฎ๐ฌ๐ฅ๐ฒ, ๐๐ฎ๐ซ๐ข๐ง๐  ๐ก๐ข๐ฌ ๐๐๐ญ๐ก. ๐๐จ๐ฐ ๐ฆ๐ฎ๐๐ก ๐ฐ๐๐ญ๐๐ซ ๐๐๐ง ๐๐ ๐ฌ๐๐ฏ๐๐ ๐ข๐ง ๐๐ ๐๐๐ฒ๐ฌ ๐ข๐ง ๐ญ๐ก๐ข๐ฌ ๐ฆ๐๐ง๐ง๐๐ซ? 3 7 5 0 ร 2 4 1 5 0 0 0 7 5 0 0 9 0 0 0 0 ร ๏๏ ๏๏
3. ๐๐จ๐ญ๐๐ฌ ๐๐ฒ: Adil Aslam ๐๐ฎ๐๐ฃ๐๐๐ญ: Mathematics Class 4 2 | P a g e ๐๐ฒ ๐๐ฆ๐๐ข๐ฅ ๐๐๐๐ซ๐๐ฌ๐ฌ: ๐๐๐ข๐ฅ๐๐ฌ๐ฅ๐๐ฆ๐๐๐๐@๐ ๐ฆ๐๐ข๐ฅ. ๐๐จ๐ฆ ๐๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง: Rehan save water 1 day = 4726 ๐๐ Rehan save water in 25 days = 4726 ร 25 Thus Rehan save water in 25 days = 118 150 ๐๐ ๐. ๐๐ก๐๐ซ๐ ๐๐ซ๐ ๐๐๐๐ ๐ฆ๐ข๐ง๐ฎ๐ญ๐๐ฌ ๐ข๐ง ๐ ๐๐๐ฒ. ๐๐จ๐ฐ ๐ฆ๐๐ง๐ฒ ๐ฆ๐ข๐ง๐ฎ๐ญ๐๐ฌ ๐๐ซ๐ ๐ญ๐ก๐๐ซ๐ ๐ข๐ง ๐ ๐ฐ๐๐๐ค๐ฌ? ๐๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง: Minutes in day = 1440 We know that 8 week = 7 ร 8 = 56 days Minutes in 56 days = 1440 ร 56 Thus minutes in 8 weeks = 80 640 4 7 2 6 ร 2 5 2 3 6 3 0 9 4 5 2 1 1 8 1 5 0 ร ๏๏๏ ๏๏ 1 4 4 0 ร 5 6 8 6 4 0 7 2 0 0 8 0 6 4 0 ร
4. ๐๐จ๐ญ๐๐ฌ ๐๐ฒ: Adil Aslam ๐๐ฎ๐๐ฃ๐๐๐ญ: Mathematics Class 4 3 | P a g e ๐๐ฒ ๐๐ฆ๐๐ข๐ฅ ๐๐๐๐ซ๐๐ฌ๐ฌ: ๐๐๐ข๐ฅ๐๐ฌ๐ฅ๐๐ฆ๐๐๐๐@๐ ๐ฆ๐๐ข๐ฅ. ๐๐จ๐ฆ ๐. ๐๐ก๐ข๐ซ๐ญ๐ฒ ๐๐ก๐ข๐ฅ๐๐ซ๐๐ง ๐ฆ๐๐๐ ๐๐๐๐ ๐ฉ๐๐ฉ๐๐ซ ๐๐๐ ๐ฌ. ๐๐จ๐ฐ ๐ฆ๐๐ง๐ฒ ๐๐ข๐ ๐๐๐๐ก ๐๐ก๐ข๐ฅ๐ ๐ฆ๐๐ค๐? ๐๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง: 30 children made paper bags = 5280 Each child make bags = 5280 รท 30 Thus each child make bags = 176 ๐. ๐๐จ๐ฐ ๐ฆ๐๐ง๐ฒ ๐ฉ๐ข๐๐๐๐ฌ ๐จ๐ ๐๐ฅ๐จ๐ญ๐ก ๐๐๐ง ๐๐ ๐๐ฎ๐ญ ๐๐ซ๐จ๐ฆ ๐ ๐ ๐ ๐ฅ๐๐ง๐ ๐ญ๐ก ๐จ๐ ๐๐ฅ๐จ๐ญ๐ก, ๐ข๐ ๐๐๐๐ก ๐ฉ๐ข๐๐๐ ๐ข๐ฌ ๐๐ ๐๐ ๐ฅ๐จ๐ง๐ ? ๐๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง: Total length of cloth = 5 ๐ = 5 ร 100 = 500 ๐๐ Length of each piece = 50 ๐๐ How many pieces can be cut out = 500 รท 50 Thus pieces can be cut out = 10 3 0 5 2 8 0 โ 3 0 2 2 8 โ 2 1 0 1 8 0 โ 1 8 0 1 7 6 5 0 5 0 0 โ 5 0 ๏ 1 0 ๏
5. ๐๐จ๐ญ๐๐ฌ ๐๐ฒ: Adil Aslam ๐๐ฎ๐๐ฃ๐๐๐ญ: Mathematics Class 4 4 | P a g e ๐๐ฒ ๐๐ฆ๐๐ข๐ฅ ๐๐๐๐ซ๐๐ฌ๐ฌ: ๐๐๐ข๐ฅ๐๐ฌ๐ฅ๐๐ฆ๐๐๐๐@๐ ๐ฆ๐๐ข๐ฅ. ๐๐จ๐ฆ ๐. ๐๐ซ๐จ๐ฆ ๐ฌ๐๐ซ๐ฏ๐๐ฅ ๐จ๐ซ๐๐ก๐๐ซ๐๐ฌ, ๐๐๐ฅ๐ข๐๐ข๐จ๐ฎ๐ฌ ๐๐ฉ๐ฉ๐ฅ๐๐ฌ ๐๐ซ๐ ๐ฉ๐๐๐ค๐๐ ๐ข๐ง ๐๐จ๐ฑ๐๐ฌ ๐จ๐ ๐๐ ๐๐๐๐ก. ๐๐จ๐ฐ ๐ฆ๐๐ง๐ฒ ๐๐จ๐ฑ๐๐ฌ ๐ฐ๐ข๐ฅ๐ฅ ๐๐ ๐ซ๐๐ช๐ฎ๐ข๐ซ๐๐ ๐๐จ๐ซ ๐๐๐ ๐๐ฉ๐ฉ๐ฅ๐๐ฌ? ๐๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง: Apples are packed in 1 box = 72 Total number of apples = 936 How many boxes will be required = 936 รท 72 Thus the number of boxes will be required = 13 ๐. ๐๐ข๐ฏ๐ ๐๐จ๐๐ญ๐จ๐ซ๐ฌ ๐ญ๐ซ๐๐ฏ๐๐ฅ ๐๐ซ๐จ๐ฆ ๐๐๐ซ๐๐๐ก๐ข ๐ญ๐จ ๐๐๐ก๐จ๐ซ๐ ๐ญ๐จ ๐๐ญ๐ญ๐๐ง๐ ๐ ๐๐จ๐ง๐๐๐ซ๐๐ง๐๐. ๐๐ก๐ ๐ญ๐จ๐ญ๐๐ฅ ๐๐ข๐ฅ๐ฅ ๐๐จ๐ซ ๐ญ๐ก๐๐ข๐ซ ๐ญ๐ซ๐๐ข๐ง ๐ญ๐ข๐๐ค๐๐ญ๐ฌ ๐ข๐ฌ ๐๐ฌ ๐๐๐๐. ๐๐จ๐ฐ ๐ฆ๐ฎ๐๐ก ๐๐จ๐๐ฌ ๐๐๐๐ก ๐๐จ๐๐ญ๐จ๐ซ ๐ฉ๐๐ฒ? ๐๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง: Total number of doctors = 5 Total bill for their train tickets = Rs 9675 How much each doctor pay = 9675 รท 5 7 2 9 3 6 โ 7 2 2 1 6 โ 2 1 6 ๏ 1 3 5 9 6 7 5 โ 5 4 6 โ 4 5 1 7 โ 1 5 2 5 โ 2 5 ๏ 1 9 3 5 Thus each doctor pay = Rs 1935
6. ๐๐จ๐ญ๐๐ฌ ๐๐ฒ: Adil Aslam ๐๐ฎ๐๐ฃ๐๐๐ญ: Mathematics Class 4 5 | P a g e ๐๐ฒ ๐๐ฆ๐๐ข๐ฅ ๐๐๐๐ซ๐๐ฌ๐ฌ: ๐๐๐ข๐ฅ๐๐ฌ๐ฅ๐๐ฆ๐๐๐๐@๐ ๐ฆ๐๐ข๐ฅ. ๐๐จ๐ฆ ๐. ๐๐จ๐ฐ ๐ฆ๐๐ง๐ฒ ๐ก๐จ๐ฎ๐ซ๐ฌ ๐๐ซ๐ ๐ญ๐ก๐๐ซ๐ ๐ข๐ง ๐๐๐๐ ๐ฆ๐ข๐ง๐ฎ๐ญ๐๐ฌ? ๐๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง: Total number of minutes = 2700 We know 1 hour = 60 minutes Number of hours = 2700 รท 60 Thus number of hours = 45 ๐. ๐๐จ๐ฎ๐ซ ๐๐ซ๐ข๐๐ง๐๐ฌ ๐ฌ๐ก๐๐ซ๐ ๐ ๐๐ฅ๐๐ญ. ๐๐ก๐๐ข๐ซ ๐ญ๐จ๐ญ๐๐ฅ ๐๐ฑ๐ฉ๐๐ง๐ฌ๐๐ฌ ๐๐จ๐ซ ๐๐๐ง๐ฎ๐๐ซ๐ฒ ๐๐ซ๐ ๐๐ฌ ๐๐๐๐. ๐๐จ๐ฐ ๐ฆ๐ฎ๐๐ก ๐ฆ๐จ๐ง๐๐ฒ ๐ฆ๐ฎ๐ฌ๐ญ ๐๐๐๐ก ๐๐ซ๐ข๐๐ง๐ ๐๐จ๐ง๐ญ๐ซ๐ข๐๐ฎ๐ญ๐? ๐๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง: Total number of friends = 4 Their total expenses = Rs 9256 Each friend contribute money = 9256 รท 4 6 0 2 7 0 0 โ 2 4 0 3 0 0 โ 3 0 0 4 5 ๏ 4 9 2 5 6 โ 8 1 2 โ 1 2 5 โ 4 1 6 โ 1 6 ๏ 2 3 14 Thus each contribute = Rs 2314
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