What is the theme of World Day of Social Justice 2021?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
?, Vice President, Prime Minister, Deputy Prime Minister 

In a row position of M is 328 from the left corner and the position of B is 321 from the right corner after some time when they interchange their position respectively then position of M became 365 from the left corner then find out what is the position of B from the left corner after interchanging?

Pointing to a men, women said that he is the son of my mother's brother's father's son. Then find out how is that man related to that woman?

In each of the following questions, select the related letters/words/numbers from the given alternatives. 

The difference between CI and SI on a sum of money for 3 years at 5% per annum is Rs.61. Find the sum.

Due to a 25% increase in the price of rice per kg. a person is able to purchase 20 kg. less for Rs.400. What is the increased price of rice per kg.?

At what rate percent per annum will a sum of Rs.5000 amount to Rs.6000 in 4 years?