The ability to recover and read deleted or damaged files

Which of the following statements is/are correct in regards to Champaran Satyagraha?

1.    It was the first popular satyagraha movement

If '+' means '÷', '−' means '×', '×' means '+', '÷' means '−', what will come in place of the question mark (?) in the following equation?

What is the maximum amount of gratuity that can be paid under the Payment the Gratuity Act 2018 (Amendment)? 

What does the term ‘Upa’ in the term Upanishad denote?

Find the number of 2-digit numbers divisible by both 2 and 4.

Which of the following statements about the International monetary fund (IMF) is/are correct?

Which one of the following is also known as Long run average cost curve? 

Consider the following statements:

1. Gram sabha is a village assembly comprising all citizens in the area of panchayat.

Consider the following statements:

1. The concept of Helicopter money is used to boost demand in the economy.