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Step by step text solution for Describe how two ratios can form a proportion. by MATHS experts to help you in doubts & scoring excellent marks in Class 7 exams.
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NCERT EXEMPLAR-COMPARING QUANTITIES-THINK AND DISCUSS
- Describe how two ratios can form a proportion.
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- Give three ratios equivalent to 12 : 24.
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- Explain why the ratios 2 : 4 and 6 :10 do not form a proportion.
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- Give an example of two ratios that are proportional and have numerator...
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- The speed of a Garden-Snail is 50 meters per hour and that of the Chee...
03:40
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- Determine the ratios that are nearly equivalent to each of the followi...
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- Describe how to find 35% of a number when you know 10% of the number.
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- Explain whether a 150% increase or a 150% decrease is possible.
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- Compare finding a 20% increase for finding 120% of a number.
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- Show Rs. 25 as a part of a 100 rupee note in terms of (1) a reduced fr...
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- Explain how you can find a fraction, decimal, or per cent when you hav...
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- Show why 5% of a number is less than 1/10 of the number.
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- Demonstrate two ways to find 70% of a number.
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- Name fractions in simplest form that are the same as 40% and as 250%.
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- Compare finding a number when a per cent of the number is known to fin...
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- Explain whether a number is greater than or less than 36, if 22 per ce...
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- Explain the meaning of each variable in the interest formula.
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- Tell what value should be used for time 't' in years when referring to...
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- Name the different variables in the simple interest formula.
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- Demonstrate that doubling the time while halving the interest rate res...
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