The value of a if $4, a, 25$ are in GP

10

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8

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11

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Solution

The correct option is A $10$
Given sequence $4, a, 25$ is a GP & we know that condition to be in GP for $a, b, c$ is $b^{2} = a c$
$\Rightarrow a^{2} = 4 \times 25 \Rightarrow a^{2} = 100 \Rightarrow a = 10$

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The value of a if 4,a,25 are in GP

The correct option is A 10Given sequence 4,a,25 is a GP & we know that condition to be in GP for a,b,c is b2=ac ⇒a2=4×25⇒a2=100⇒a=10

The value of a if $4, a, 25$ are in GP

The correct option is A $10$
Given sequence $4, a, 25$ is a GP & we know that condition to be in GP for $a, b, c$ is $b^{2} = a c$
$\Rightarrow a^{2} = 4 \times 25 \Rightarrow a^{2} = 100 \Rightarrow a = 10$