Question

How many dancers are practising dance in this town?
Statements:

I. There is one dancer per seven hundred residents.
II. There are 16 schools with each school having as many dancers as the number of schools.

• A. Statement I alone is sufficient while Statement II alone is not sufficient
• B. Statement II alone is sufficient while Statement I alone is not sufficient
• C. Neither Statement I nor Statement II is sufficient
• D. Either Statement I or Statement II is sufficient

Answer 1

The correct option is B Statement II alone is sufficient while Statement I alone is not sufficient

From I, total number of dancers in town = (1/700 x N) , where N = total number of residents in town. But, the value of N is not known.
From II, total number of dancers in town
= (Number of schools in town) x (Number of dancers in each school)
= 16 x 16 = 256.