The Global Gender Gap Report is published

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

Pick the odd one out.

In a certain code language, 'TEACHER' is written as 'CAHEETR', and 'STUDENT' is written as 'DUETNST'. How will 'SUCCESS' be written in that language?

In the following question, select the related number from the given alternatives.

49: 245: 37: 148:: 47: ?

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

Which of the following groups of letters when sequentially placed from left to right will complete the given series? 

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

BOY, FMU, ?, NIM, RGI

Four letter-clusters have been given out of which three are alike in some manner and one is different. Select the odd one.

Examine the following statements:

1. All colours are pleasant.

2. Some colours are pleasant.

3. No colour is pleasant

Which of the following terms will replace the question mark (?) in the given series?

AJRX, CNXF, ERDN, ?, IZPD