Mathematics
Decimal representation
दशमलव निरूपण
In this Class 9 Mathematics topic from the Number Systems chapter, students learn how numbers are expressed in decimal form and how decimal expansions relate to rational and irrational numbers. They examine terminating and non-terminating decimals, identify repeating patterns, and connect decimal representations with fractions. The topic builds accuracy in comparing, interpreting, and converting numerical forms while strengthening understanding of the structure and properties of real numbers.
Practice questions
Which is the correct bar notation of (0.450707070\ldots)?ExpertLevel 10How is (3.205\overline{18}) written in ordinary decimal form?ExpertLevel 10Which is the decimal expansion of ( \frac{29}{42} )?ExpertLevel 10Among (0.7648), ( \frac{13}{17} ), and (0.7647\overline{05}), which is the greatest number?ExpertLevel 10If (0.72a5>0.7285), what can be the smallest value of digit (a)?ExpertLevel 10What type of decimal is (7.08008000800008\ldots)?ExpertLevel 10What is the decimal form of ( \frac{41}{512} )?ExpertLevel 10What is obtained when (0.00140625) is converted into a simplified fraction?ExpertLevel 10What type of decimal expansion will ( \frac{53}{84} ) have?ExpertLevel 10Which is the expanded form of (9.300003)?ExpertLevel 10What is the value of (0.539\div0.0007)?ExpertLevel 10What is the value of (9.002-5.18725)?ExpertLevel 10What is the value of (0.140625+0.0078125+0.00015625)?ExpertLevel 10The decimal (8.03999\ldots) is equal to which terminating decimal?ExpertLevel 10Which decimal is greater than ( \frac{29}{40} ) and less than ( \frac{8}{11} )?ExpertLevel 10Which type of decimal expansion represents an irrational number?ExpertLevel 10The decimal 3.04004000400004... can represent which type of number?MediumLevel 10If (100000x=2.34375), what is the value of (x)?ExpertLevel 10What is the place value of (7) in (21.005007)?ExpertLevel 10What is the ascending order of (9.009), (9.0909), (9.0099), and (9.900)?ExpertLevel 10