How many doctors are practising in this ...

How many doctors are practising in this town?
Statements:
1 There is one doctor per seven hundred residents.
2. There are 16 wards with each ward having as many doctors as the number of wards.

I alone is sufficient while II alone is not sufficient

II alone is sufficient while I alone is not sufficient

Either I or II is sufficient

Both I and II are sufficient

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The correct Answer is:

From I, total number of doctors in town = (1/700 `xx` N), where N= total number of residents in town. But, the value of N is not known,
From II, total number of doctors in town
= (Number of wards in town) `xx` (Number of doctors in each ward)
`= 16xx16 = 256`

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How many doctors are practising in this town? Statements: 1 There is one doctor per seven hundred residents. 2. There are 16 wards with each ward having as many doctors as the number of wards.

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How many doctors are practising in this town?
Statements:
1 There is one doctor per seven hundred residents.
2. There are 16 wards with each ward having as many doctors as the number of wards.