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Answer :

**The length of the knitting needle is the difference between the two readings.**

Thus, length of knitting needle = 33.1? 3.0 = 30.1 cm

- Give two examples each, of modes of transport used on land, water and air.
- Q.2 Fill in the blanks: (i) One metre is ______________ cm. (ii) Five kilometer is ______________ m. (iii) Motion of a child on a swing is ______________. (iv) Motion of the needle of a sewing machine is ______________. (v) Motion of wheel of a bicycle is______________.
- Why can a pace or a footstep not be used as a standard unit of length?
- Arrange the following lengths in their increasing magnitude: 1 metre, 1 centimeter, 1 kilometer, 1 millimeter.
- The height of a person is 1.65 m. Express it into cm and mm.
- The distance between Radha’s home and her school is 3250 m. Express this distance into km.
- Write the similarities and differences between the motion of a bicycle and a ceiling fan that has been switched on.
- Why would you not like to use a measuring tape made of an elastic material like rubber to measure distance? What would be some of the problems you would meet in telling someone about a distance you measured with such a tape?
- Give two examples of periodic motion.

- NCERT solutions for class 6 maths chapter 1 Knowing Our Numbers
- NCERT solutions for class 6 maths chapter 2 Whole Numbers
- NCERT solutions for class 6 maths chapter 3 Playing with Numbers
- NCERT solutions for class 6 maths chapter 4 Basic Geometrical Ideas
- NCERT solutions for class 6 maths chapter 5 Understanding Elementary Shapes
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- NCERT solutions for class 6 maths chapter 8 Decimals
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- NCERT solutions for class 6 maths chapter 11 Algebra
- NCERT solutions for class 6 maths chapter 12 Ratio and Proportion
- NCERT solutions for class 6 maths chapter 13 Symmetry
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- NCERT solutions for class 6 science chapter 2 Components of Food
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- NCERT solutions for class 6 science chapter 4 Sorting Materials into Groups
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