“Golden treasure” of Assam is known to which

Select the letter cluster that will come next in the following series.

CHD, EJF, ______

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

Abandon: Leave ∷ Pensive:?

Select the triad in which the numbers are related in the same way as are the numbers of the given triads. (16, 33, 67), (19, 39, 79)

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

Human body : Medicines : : Plants : ?

What should come in place of ? in the given series?

41 45 54 70 95 ?

What should come in place of the question mark (?) in the given series?

8, 21, 34, 47, 60, ?

Statements:

All valleys are mountains.

No sea is a mountain.

Some plains are seas.

Conclusions:

Select the correct mirror image of the given combination when the mirror is placed at MN as shown.