Which of the following is not communication

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

Complete the analogy.

54 : 45:: 73 : ?

Select the option that is related to third letter cluster in the same way second letter cluster is related to first letter cluster.

In a certain code language, FASHION is coded as 26 – 8 – 38, and ILLEGAL is coded as 33 – 5 – 20. How will IMPROVE be coded in that language?

Based on the relationship between first two words, find out the missing word.

Amphibian: Frog ::   Terrestrial: ?

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

PAMPER: OCRQDO:: HEALTH:?

If 38 @ 18 = 88 and 46 @ 28 = 104, then 32 @ 30 = '?'.

X @ Y means X is the sister of Y, X # Y means X is the mother of Y and If X * Y means X is the father of Y, then what does H * I @ J # K mean?

By interchanging the given two signs which of the following equation will be not correct?

+ and –