Twice of an odd number is always a/an ____ number.
A
even
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B
odd
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C
square
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D
triangular
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Solution
The correct option is A even Twice of any odd number is always an even number
1,3,5,7 .... are all odd numbers.
Now, if we take twice of them
1 × 2 = 2
3 × 2 = 6
5 × 2 =10
7 × 2 = 14
2, 6, 10, 14 are all even.