Practice30Create account

When a certain number is divided by 5, the remainder is 3. What is the remainder when twice that number is divided by 5?

Competition practiceNumber System, HCF & LCM
  • A4
  • B1
  • C3
  • D2

Step-by-Step Solution

The number is 5k + 3, so twice it is 10k + 6 = 10k + 5 + 1, which leaves remainder 1 when divided by 5.
Answer: B) 1

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 System, HCF & LCM practice questions

More Number System, HCF & LCM practice

The sum of three consecutive numbers is 72. Find the largest of these numbers.The difference between a two-digit number and the number obtained by interchanging its…The sum of a two-digit number and the number formed by reversing its digits is 121. If…The sum of two consecutive even numbers is 66. Find the larger of the two numbers.The difference between a two-digit number and the number obtained by interchanging its…