Question
How many words can be formed from the word INCREASE in
which both E’s do not come together?Solution
Total number of letters in the word INCREASE is 8. ∴ Total number of ways = 8!/2! Number of ways when 2 E’s are together = (7! 2!)/2! = 5040 ∴ Number of ways when 2 E’s are not together = 20160 – 5040 = 15120
More Permutation and combination Questions
- Which of the following is a characteristic of acids?
What is the theme for World Environment Day 2023, which aims to raise awareness about the damaging effects of plastic pollution and emphasizes the impor...
- Which renowned ancient university was established by Emperor Kumaragupta?
Which ministry will implement the PM Vidyalaxmi scheme?
Who assumed the role of Prime Minister of France in September 2024?
Who was the founder of the Banaras Hindu University (BHU) in Varanasi?
What is the capital of Poland?
Match the following women with their achievements:
- Which prominent Indian figure bestowed the title "Nritya Samragni" upon dancer Sitara Devi?
- Which term in the Preamble of the Indian Constitution signifies a nation with an elected head of state?
Relevant for Exams:
