Select the incorrect term in the alpha-numeric series:

X, Z, B, D, F, G

Complete the given pattern by choosing the correct alternative.

Which element is 7th to the right of the element, which is 13th to the left of '4'?

Select the term that is different from the other options.

Select the combination of numbers that when placed sequentially in the blanks of the given series will complete the series.

Arrange the following words in a meaningful order.

A. Troposphere        B. Stratosphere            C. Exosphere

Consider the following number sequence:

4 3 4 5 7 3 9 3 5 7 5 4 7 8 9

How many symbols are immediately preceded by a number less than 6 in the given arrangement?

Study the arrangement of number and letter carefully and answer the following questions.