Find out the rank of MONDAY in English dictionary if all alphabets are arranged in order?
The correct answer is 327.
\(\therefore\) Rank = \((2\times5!+3\times 4!+2\times 3!+1\times2!)+1\)
= 240+72+12+2+1
= 327
The number of strictly increasing functions \(f\) from the set \(\{1, 2, 3, 4, 5, 6\}\) to the set \(\{1, 2, 3, ...., 9\}\) such that \(f(i)>i\) for \(1 \le i \le 6\), is equal to:
Method used for separation of mixture of products (B and C) obtained in the following reaction is: 
Permutation is the method or the act of arranging members of a set into an order or a sequence.
Combination is the method of forming subsets by selecting data from a larger set in a way that the selection order does not matter.