The variance of a, b and g is 9, then variance of 5a, 5b and 5g is

1.	The variance of a, b and g is 9, then variance of 5a, 5b and 5g is [AMU 1998]
A.	45
B.	9/5
C.	5/9
D.	225
Answer» E.

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The variance of a, b and g is 9, then variance of 5a, 5b and 5g is [AMU 1998]

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