How many triangles are there in the givwn figure?

In each of the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements.

Statements:

I. Some pens are pencils.
II. All pencils are erasers.

Conclusions:

I. Some pens are erasers.
II. No pens are erasers.
III. Some erasers are pencils

Three positions of a cube are shown below. What will come opposite to face containing 'I'?

In the given figure, how many pens are blue?

Which gas contributes most to the Greenhouse effect?

Which answer figure will complete the pattern in the question figure?

From the given answer figures, select the one in which the question figure is hidden/embedded.

A piece of paper is folded and punched as shown below in the question figures. From the given answer figures, indicate how it will appear when opened?