Read the following information carefully and answer the questions given below.

The interior angles of a polygon of n sides are in AP. The smallest angle is 120$$^\circ$$ and the common difference is 5$$^\circ$$.

What is the largest interior angle of the polygon?

If $${x^{\ln \left( {{y \over z}} \right)}}.{y^{\ln {{(xz)}^2}}}.{z^{\ln \left( {{x \over y}} \right)}} = {y^{4\,\ln \,y}}$$ for any x > 1, y > 1 and z > 1, then which one of the following is correct?

Read the following information carefully and answer the questions given below.

Given that $${\log _x}y,\,{\log _z}x,\,{\log _y}z$$ are in GP, xyz = 64 and x³, y³ and z³ are in AP.

Which one of the following is correct?

x, y and z are

Read the following information carefully and answer the questions given below.

Given that $${\log _x}y,\,{\log _z}x,\,{\log _y}z$$ are in GP, xyz = 64 and x³, y³ and z³ are in AP.

Which one of the following is correct?

xy, yz and zx are