In the following question find out the missing number?

Butter is related to milk in the same way as papers are related to _______.

Which answer figure is the exact mirror image of the given question figure?

If, in a certain code language, FIN is written as 138, SAG as 246, ERR as 077 and RIG as 147, in that code language, GINGER will be written as:

Find the number of squares?

In the following question find the missing number?

_ zy_zxy_yxzx_zyx_sy 

Fill in the blank by suitable letters.
a_c_ba_ca_cb