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Maths CBSE Live product
Class 7 (2025-26)
Number Play
PTA Revision - Number Play
5.
Consecutive numbers
Question:
3
m.
Rahul
wrote down
51
consecutive numbers. Is the sum of those consecutive numbers is odd or even?
There are
even numbers and
odd numbers in
51
consecutive numbers.
Sum of \(25\) even numbers is odd, and the sum of \(26\) odd numbers is even.
Sum of \(25\) even numbers is odd, and the sum of \(26\) odd numbers is odd.
Sum of \(25\) even numbers is even, and the sum of \(26\) odd numbers is odd.
Sum of \(25\) even numbers is even, and the sum of \(26\) odd numbers is even.
Odd \(+\) Odd \(=\) Even
Even \(+\) Even \(=\) Even
Even \(+\) Odd \(=\) Odd
Odd \(+\) Even \(=\) Even
Ans
:
Odd
Even
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