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An ac voltmeter connected between points...

An ac voltmeter connected between points A and B in the circuit below reads 36 V. If it is connected between A and C, the reading is 39 V. The reading when it is connected between B and D is 25 V. What will the voltmeter read when it is connected between A and D ? (Assume that the voltmeter reads true rms voltage values and that the source generates a pure ac)

A

`sqrt(481)V`

B

31 V

C

61 V

D

`sqrt(3361)V`

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A
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