हिंदी

How much more wire will Ganpat need for his field?

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प्रश्न

How much more wire will Ganpat need for his field?

योग
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उत्तर

Length of the Boundary of Ganpat’s field = 66 m

Rahmat gave 16 m wire to Ganpat.

Need of the more length of wire = 66m-16m = 50m

Ganpat needs 50 m more wire to boundary his field.

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Fields and Fences
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 13: Fields and Fences - Exercises [पृष्ठ १५०]

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एनसीईआरटी Math - Magic [English] Class 4
अध्याय 13 Fields and Fences
Exercises | Q 4 | पृष्ठ १५०

संबंधित प्रश्न

Rahmat needs to find the length of the boundary of the field.

Can you find it from this picture? See the length of each side written near it.


How much wire did Rahmat give to Ganpat?


Ganpat thanked Rahmat and started fencing his own field. But he needed to get more wire.

How long is the boundary of Ganpat’s field?


Here are pictures of some more fields. Find out which one has the longest boundary?




  1. Boundary = ______ metre


  2. Boundary = ______ metre


  3. Boundary = ______ metre


  4. Boundary = ______ metre

Chandu’s father is called the ‘young  old man’ in his village. At 70 years of age, he is fully fit. Do you know his secret? He goes for a walk around the field every morning. Everyday he takes four rounds of Chandu’s field.

What is the total distance he covers?

4 × ______ = ______ m = ______ km


Usha and Valsamma are running a race. Usha is running on the inner circle. Valsamma is running on the outer circle.

  1. Valsamma runs faster than Usha. But still she loses the race. Can you guess why?
  2. Have you seen any race where runners start from different places – like in this picture? Guess why?

How will Neetu find out if the two gardens are equally big?


Look at the table in your classroom. Guess how many Math-Magic books you can place on it.
(Remember-The books should not overlap. Do not leave gaps between the books)

  1. Write your guess here.
  2. Now check if your guess was right. How many books could you place?
  3. What is the difference between your guess and the actual number of books?

Now look for another table.

  1. Is this table bigger than the last table? Yes/No
  2. Make a guess how many Math-Magic books can be kept on this table.
  3. Check if your guess was correct.
    How many Math-Magic books could you keep?
  4. The difference between the sizes of the two tables is ______ books.

  1. How many small squares of size 1 cm are there in this big green square?


  2. Can you think of a faster way to know the total number of small squares without counting each.

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