Practice30Create account

Which of the following is an irrational number?

Competition practiceNumber & Arithmetic
  • A√7
  • B22/7
  • C0.75
  • D1.5

Step-by-Step Solution

√7 has a non-terminating, non-recurring decimal expansion, so it is irrational. 22/7, 0.75 and 1.5 are all rational.
Answer: A) √7

Master this topic in 30 minutes a day.

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

Practice 5 Similar Questions Free →

All Number & Arithmetic practice questions

More Number & Arithmetic practice

The decimal expansion of a rational number is always:The HCF of two numbers is 9 and their LCM is 360. If one of the numbers is 45, the other…After how many decimal places will the decimal expansion of 23/40 terminate?Which of these numbers is divisible by 9?What is the place value of the digit 5 in the number 458762?