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Maths CBSE Live product
Class 7
Number Play
Numbers Tell us Things and Picking Parity
9.
Evaluate the parity of the given expression
Question:
7
m.
Evaluate the parity of the following expression:
\([(155 - 53) + 22] \times 43\)
Step 1
:
Even \(-\) Odd \(=\) Odd
Odd \(-\) Odd \(=\) Even
Even \(-\) Even \(=\) Even
Odd \(-\) Even \(=\) Even
Step 2
:
Odd \(+\) Even \(=\) Even
Odd \(+\) Odd \(=\) Even
Even \(+\) Even \(=\) Even
Even \(+\) Odd \(=\) Odd
Step 3
:
Even \(\times\) Even \(=\) Even
Even \(\times\) Even \(=\) Odd
Even \(\times\) Odd \(=\) Odd
Odd \(\times\) Odd \(=\) Odd
Ans
:
Odd number
Even number
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