Question:medium

Which one of the following is not true?

Show Hint

To quickly check divisibility by 7: Double the last digit and subtract it from the rest of the number. For 161: $16 - (1 \times 2) = 14$. Since 14 is divisible by 7, 161 is also divisible by 7!
Updated On: Jul 6, 2026
  • 805 is not a prime number
  • 23 divides 805
  • 37 divides 805
  • 5, 7 and 23 are factors of 805
Show Solution

The Correct Option is D

Solution and Explanation

Was this answer helpful?
0

Top Questions on Quantitative Aptitude

Questions Asked in KLEE LLB exam