Question
Anna is participating in a trivia game with 6 questions,
each with 3 choices. Only one choice is correct per question. If Anna guesses on all questions, what is the probability that she gets exactly 3 correct?Solution
ATQ, Probability of a correct guess = 1/3 Probability of an incorrect guess = 2/3 Number of ways to choose 3 correct answers out of 6 = (6/3) = 20 So, the required probability = 20 × (1/3)3 × (2/3)3 = (20×1×8)/(27×27) = 160/729
Balban followed the tradition of ‘Sijda and Pabos’ from which of following traditions?
Which of the following can cause a Tsunami?
The Government of India (GoI) is introducing adoption of E20 fuel.
1. To promote green fuel like ethanol.
2. To Adopt E20 fuel with ble...
Which among the following is not a crypto currency ?
Twenty five percent of the land revenue collected by Marathas in the Deccan was called_____.
In May 2023, ________ in Madhya Pradesh became the first city in India to adopt the localisation of the United Nationsmandated sustainable development g...
Which kind of computer security requires verifying the genuineness of the individuals or organisations that want to access a system?
Bihar Diwas is celebrated on___________Â
________ was awarded, Padma Shri in 1970 for his contribution to the field of Kuchipudi dance.
There are seven hemispherical containers of radius R metres each and each of them is fully filled with water. The water in these is transferred to a hem...
Relevant for Exams:
