Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.
 16 : 69 :: 24 : ? :: 31 : 144 

The series given below contains a sequence of numbers. Identify the incorrect combination.
5, 6, 7, 8, 10, 11, 13, 15, 19

In the word ‘LAVISLY’, replace each vowel with the next letter in the alphabetical series and each consonant with the previous letter in the Alphabetical Series. How many letters occur more than once in this newly formed word?

In this question, a question is followed by two statements numbered (I) and (II). You have to decide whether the data provided in the statement/s are sufficient to answer the question. Read both statements and choose your answer carefully.
Question: P, Q, R, S, T, U and V are 7 people standing in a row all facing North (not necessarily in the same order). Who is standing second to the right of T?

Statements:
 (I) U is standing 3rd from the right end and 2nd to the left of R.
 (II) Q is standing to the immediate right of T. Q is standing 2nd to the left of P.

Direction :In each question below are given three four conclusion numbered I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements, disregarding commonly known facts. statements followed by

Statements :
Some pepsi are coffee .
Some coke are pepsi .
All coffee are tea .
Conclusions :
I . Some coffee are pepsi .
II . Some coffee are not pepsi .
III . Some coke are coffee .
IV . Some tea are pepsi .

How many triangles are there in the given figure?

If 'ADETP' is coded as 'DGHWS' in a code language, and 'GVMN' is written as 'JYPQ', how will 'DTPQUV' be written in that code?

In the following options, select the number which will replace the question mark in the following series.
4, 2, 2, 3 , 6,?