Which of these services uses a "master password" to log

The value of 

Arrange the following developments that took place in the trade union movement in India from the earliest to the latest. 

Which city in India has been featured in the World City List of 2022 that was recently released?

Which of the following is incorrect regarding EPFO?

Who was honored with France's highest civilian award, the "Chevalier de la Légion d'Honneur" (Knight of the Legion of Honour) in April 2023?

What is the maximum number of grievance redressal committees that can be formed in an industrial establishment?

What is the minimum distance one has to stand at from a wall to hear an echo?

Arrange the following events chronologically starting from the earliest

(A) Royal charter granted to English East India Company

Which of the following statements is true about the accounting equation?

The present ages of Shanthi and Keerthi are in the ratio of 7 : 3. After 5 years, Shanthi’s age will be 40. How old will Keerthi be after 5 years?