There are 3 letters and 3 directed envelopes. Write the number of ways in which no letter is put in the correct envelope.

There are 4 letters and 4 directed envelopes. Write the number of ways such that two letters are kept in the right envelopes.

There are 4 letters and 4 directed envelopes . The number of ways in which every letter is put into a wrong envelope is :

There are 4 letters and 4 directed envelopes the number of ways in which all the letters could be put into the wrong envelopes is

There are 3 letters and 3 envelopes. Find the number of ways in which all letters are put in the wrong envelopes

There are 5 letters and 5 directed envelopes. The number of ways in which all the letters can be put in wrong envelope is

There are 5 letters and 5 directed envelopes. The number of ways in which all the letters can be put in wrong engvelope, is

There are four letters and four directed envelopes. The number of ways in which all the letters can be put in the wrong envelope is a. 8 b. 9 c. 16 d. none of these

There are four letters and four directed envelopes. The number of ways in which all the letters can be put in the wrong envelope is a. 8 b. 9 c. 16 d. none of these

There are four letters and four directed envelopes.The number of ways in which all the letters can be put in the wrong envelope is a.8 b.9 c.16 d.none of these

There are four letters and four directed envelopes. The number of ways in which all the letters can be put in the wrong envelope is a. 8 b. 9 c. 16 d. none of these