Question
From a group of 6 men and 5 women, a committee of 4
people is to be formed such that there is at least one woman in the committee. In how many ways can this be done?Solution
ATQ, Total people = 11. Total ways to choose 4 = C(11,4) = 330. Subtract ways with no woman (all men): Number of all-men committees = C(6,4) = 15. Required ways = 330 − 15 = 315.
Which of the following can be the reasons behind the number of earthquakes in Delhi in recent times?Â
1. Closeness to main boundary thrust fault...
 If you travel through the Himalayas, you are likely to see which of the following plants naturally growing there?Â
1. Oak
2. Rhododendr...
Th ese are longitudinal valleys formed as a result of folding. Overtime these have been filled with alluvium brought down by Himalayan rivers. The regio...
Which of the following is the largest freshwater lake in India?
Another name of Carborundum is
Rani Jhansi Marine National Park’ (RJMNP) is situated in _____________.
To enter Tibet from Uttarakhand for the Kailash Mansarovar pilgrimage, which pass must be crossed?
Which of the following Indian state has the largest coastline?
With reference to the Khejri Tree, consider the following statements:
1. It covers about two-thirds of the total geographical area of Rajasthan.<...
Which of the following states is NOT part of the Peninsular Plateau in India?
Relevant for Exams:
