Same chapter3 marksDifficulty: Medium
How many diagonals does a decagon have?
Permutations and Combinations
3 marksDifficulty: Medium
In how many ways can a committee of 5 be formed from 6 men and 4 women so that it has exactly 3 men?
Original Khojo Papers practice question — not from a past board paper.
Answer
120
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Choose 3 men from 6 in 6C3 = 20 ways and 2 women from 4 in 4C2 = 6 ways, giving 20 × 6 = 120.
Related questions
From the same topic and chapter, at a similar level.
Same chapter3 marksDifficulty: Medium
How many distinct arrangements can be made of the letters of the word ALLAHABAD?
Permutations and Combinations
Same chapter3 marksDifficulty: Medium
In how many ways can a committee of 3 be chosen from 10 people?
Permutations and Combinations
Same chapter3 marksDifficulty: Medium
How many different arrangements can be made of the letters of the word APPLE?
Permutations and Combinations
Same chapter3 marksDifficulty: Medium
State the fundamental principle of counting and illustrate it.
Permutations and Combinations
Same chapter4 marksDifficulty: Hard
How many arrangements of the letters of the word EQUATION begin with a vowel?
Permutations and Combinations