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The ratio of the circumference and diame...

The ratio of the circumference and diameter of a circle is `22 : 7`. If the length of the diameter of the circle is 2m 1dcm., calculate its circumference.

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NCERT BANGLISH-Ratio-Exercise
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  9. Find the mixed ratio of the 5:9, 8:12 and 7:3.

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  11. Find the mixed ratio of the3/5:2, 5/6:3 and 4:5.

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  12. Reduce the following ratios into their lowest from and find their inve...

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  13. Reduce the following ratios into their lowest from and find their inve...

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  15. Reduce the following ratios into their lowest from and find their inve...

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  16. Reduce the following ratios into their lowest from and find their inve...

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  17. Reduce the following ratios into their lowest from and find their inve...

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