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NCERT Class 7 Maths Textbook Chapter 8 With Answer PDF Free Download
Chapter 8: Comparing Quantities
8.2 EQUIVALENT RATIOS
Different ratios can also be compared with each other to know whether they are equivalent
To do this, we need to write the ratios in the form of fractions and then compare
them by converting them to like fractions. If these like fractions are equal, we say the given
ratios are equivalent
8.3.2 Converting Fractional Numbers to Percentage
Fractional numbers can have different denominators. To compare fractional numbers, we need a common denominator and we have seen that it is more convenient to compare if our denominator is 100.
That is, we are converting the fractions to Percentages. Let us try converting different fractional numbers to Percentages.
|No. of Pages||20|
|PDF Size||1446 KB|
NCERT Solutions Class 7 Maths Chapter 8 Comparing Quantities
Q2. In a computer lab, there are 3 computers for every 6 students. How many
computers will be needed for 24 students?
For 6 students, 3 computers needed
So,for onestudent,computers needed = 3/6
And,for 24studentsnumber of computersrequired = 24 * 1/2
= 12 computers
NCERT Class 7 Maths Textbook Chapter 8 With Solution PDF Free Download