How to Take The RIGHT DECISION?

In a code language, If DECISION is written as 42231819181214, then how will PERIDERM be written in the same language ?

Number of ways in which the letters of the word DECISIONS be arranged so that letter N be somewhere to the right of the letter "D" is (lfloor9)/(lambda) . Find lambda .

Take the case of dignity and equal rights for women. How do democracies help?

Explain the three major decisions that finance manager has to take while performing the finance function.