_ Ten different letters of alphabet are given, words with 5 letters are formed from these given letters. Then, the number of words which have at least one letter repeated is:$?

_ Ten different letters of alphabet are given, words with 5 letters ar

1.	_ Ten different letters of alphabet are given, words with 5 letters are formed from these given letters. Then, the number of words which have at least one letter repeated is:$?
A.	69760
B.	30240
C.	99748
D.	42386
Answer» B. 30240

Discussion

No Comment Found

Related MCQs

A motor starts with the speed of 70 km ph with its speed increasing every two hours by 10 km ph. In how many hours will it cover 345 kms?
Patrick reads twice as much as Bob but only 1/2 as much as Amy and Doug reads as much as all three others put together. How many books did Bob read last week if Doug read 7 books?
How many combinations are possible if a person has 4 sports jackets, 5 shirts and 3 pairs of slacks?
What is the third term in a sequence of numbers that leave remainders of 1, 2 and 3 when divided by 2, 3 and 4 respectively?
A family of 9 men in Indore spends Rs16380 in a year. What must be the expenses of 8 men in Calcutta who live in the same style for 7 months, assuming that the price in Calcutta are (3/5) of what they are in Indore?
A bag contains 20 gum balls. If there are 8 red, 7 white and 5 green, what is the minimum number of gum balls one must pick from the bag to be assured of one of each color?
All faces of a cube with a 4 meter edge are covered with striped paper. If the cube is then cut into cubes with 1 meter edges, how many of the 1meter cubes have striped paper on exactly one face?
In a certain school, 20% of the students are below 8 years of age. The number of students above 8 years of age is 2/3 of the number of students of 8 years age, which is 48. What is the total number of students in the school?
Tickets numbered from 1 through 50 are placed in a container, and one ticket will be selected at random. What is the probability that the ticket selected will have a number on it divisible by 3?
A certain number of glasses were purchased for Rs600. Ten more glasses could have been purchased for the same amount, if each glass were cheaper by Rs5. Find the number of glasses purchased?

_ Ten different letters of alphabet are given, words with 5 letters are formed from these given letters. Then, the number of words which have at least one letter repeated is:$?

Discussion

No Comment Found

Related MCQs

Reply to Comment