Select the option figure in which the given figure (X) is embedded as its part (rotation is NOT allowed)

Select the set in which the numbers are related in the same way as are the numbers of the following sets.

Select the number from among the given options that can replace the question mark (?) in the following series.

58, 179, ?, 492, 688

When the mirror is placed on 'PQ' as shown, select the correct mirror image of the given combination. 

Select the option that is related to the third term in the same way as the second term is related to the first term.

Legs : Polio :: Eyes : ?

What should come in place of the question mark (?) in the given series based on the English alphabetical order?

DHC, GKF, JNI, MQL, ?

Which of the following assumptions of the given statement is valid?

Statement:

In a certain code language,'TREE' is written as WWHJ, and 'LEAF' is written as OJDK. How will 'BARK' be written in that language?