Complete काल in 30 minutes

50% of a reaction is completed in 20 minutes and 75% is completed in 30 minutes from the beginning.What is the order of reaction

75 % of first order reaction is complete in 30 minutes. What is the time required for 93.75 % of the reaction (in minutes) ?

A first-order reaction which is 30% complete in 30 minutes has a half-life period of

A first order reaction is 50 % completed in 30 minutes . The rate constant of the reaction is