Practice30Create account

Which of the following could be the decimal expansion of a rational number?

Class 10Decimal ExpansionsNumber Systems
  • A0.272727...
  • B1.010010001...
  • C...
  • D0.123456789101112... (counting numbers)

Step-by-Step Solution

A rational number is either terminating or non-terminating recurring. Only 0.272727... is recurring; the other three are non-terminating non-recurring (irrational).
Answer: A) 0.272727...

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Decimal Expansions practice questions

More Class 10 Decimal Expansions practice

Which of these denominators guarantees a terminating decimal for a fraction already in…The decimal 0.125 written as a fraction in lowest terms is:Is 1/2^2 × 5^4 × 7 a terminating decimal?Aarav is filling a digital weighing scale that shows weight as a decimal. He puts a…A shopkeeper in Pune divides a bill of Rs 250 equally among 8 friends. Each share is…