Major gases in soil are N₂, O₂, and _____.

Identify the figure that does NOT belong to the following series.

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

Eight people M, N, P, S, T, V, X and Y are sitting in a straight line and all are facing north.

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

If + means −, − means ×, × means ÷, and ÷ means +, what will be the value of the following expression?

45 × 9 ÷ 12 – 5 + 3

Statements:

All nodes are joints.

Some joints are bones.

All bones are cartilages.

Conclusions:

Select the correct option that indicates the arrangement of the given course of actions in a logical and meaningful order.

Find the missing number in the following number series:

22.5, ____, 26.5, 30, 34.5

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