Total probability = 12C4 = 495 Probability that 2 is marble and another 2 is ball = 12C2 × 12C2 = 4356 probability = 495/4356 = 55/484
The igneous rocks are formed due to
Which of the following is not a tributary of “Luni River”?
Which one of the following is the North Dravidian linguistic group?
Which of the following is not correctly matched?
Which of the following pairs of State and formation year is/are correct?
I. Nagaland - 1972
II. Uttarakhand - 2000
III. Arunachal Pradesh - 1987
Who was the first female Prime Minister in the world?
The device used for producing electric current is called
Who was the leader of Lucknow in 1857 Revolt?
Which of the following is the capital of the Union Territory Dadra and Nagar Haveli in 2020?
What is the extent of the Karakoram range?