alleryA decimal number is odd if its last digit is which of these?
A0
B4
C6
D7
Answer & Solution
Correct answer: D. 7
1. In decimal, the last digit decides parity.
2. Last digits 1, 3, 5, 7 or 9 mean the number is odd.
3. Last digits 0, 4 and 6 are even.
_Source: Wikipedia, Parity (mathematics), lead section_
Keep practising Whole Numbers
Browse all Whole Numbers questions for CTET, or explore more Mathematics topics.
Related questions
A class register has 475 pupils. Which fact shows the count is divisible by 5?Why do only the last two digits matter when testing divisibility by 4?Which number is divisible by 4, judging by its last two digits?A number is divisible by 3 if which of its sums is divisible by 3?Which digit of 8,374 decides whether the number is divisible by 2?Why is 1 divided by 4 neither even nor odd?All known perfect numbers have which parity?Which of these cannot be called even or odd?