Which of the following organization releases the World

Select the number from the given options to complete the series.

25, 30, 40, 55, 75, ___

In a certain code language,

'good deeds pay' is coded as 'ag bi tr',

'pay all bills' is coded as 'od ez ag',

Three of the following four letter-clusters are alike in a certain way and one is different. Pick the odd one out.

DGJM

NQTW

TWZC

HIJK

Read the given statement and conclusions carefully and decide which of the conclusions logically follow(s) from the statement.

Statement:

Three of the following number-pairs are alike in some manner and hence form a group. Which number-pair does not belong to that group?

Which two mathematical signs should be interchanged to make the given equation correct?

Select the number from among the given options that can replace the question mark (?) in the following series.

3, 16, 51, 104, ?

In the following question, select the missing number from the given series. 

14, 6, 5, 6.5, 12, ?