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Class 7 Maths Chapter 7 Question Answers - Comparing Quantities

Q1: Find the ratio of 600 g to 5 kg.
Sol: First we will covert masses into same units.
5 kg = 5 x 1000 g = 5000 g
Now we will find ratio of 600 g and 5000 g
Class 7 Maths Chapter 7 Question Answers - Comparing Quantities
= 6/50 = 3/25
Required ratio is 3 : 25

Q2: Convert 0.25 to percent.
Sol: To covert 0.25 to percent, we have to multiply it by 100%
Class 7 Maths Chapter 7 Question Answers - Comparing Quantities

Q3: Find 25% of 150%.
Sol: By using formula, we have
Class 7 Maths Chapter 7 Question Answers - Comparing Quantities

Q4: Write 2/5 as percent.
Sol: We’ll multiply numerator and denominator by 20 to make denominator 100
Class 7 Maths Chapter 7 Question Answers - Comparing Quantities

Q5: Find 100%-55%=____
Sol: we have.
Class 7 Maths Chapter 7 Question Answers - Comparing Quantities
Class 7 Maths Chapter 7 Question Answers - Comparing Quantities
Class 7 Maths Chapter 7 Question Answers - Comparing Quantities

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