Problem Solving MCQ Set 25

Question: What is the total number of different divisors of the number 7200?

1. 20
2. 4
3. 54
4. 32

Question: What is the least number that should be multiplied to 100! to make it perfectly divisible by 350?

1. 144
2. 72
3. 108
4. 216

Question: There are 2 brothers among a group of 20 persons. In how many ways can the group be arranged around a circle so that there is exactly one person between the two brothers?

1. 2 * 19!
2. 18! * 18
3. 19! * 18
4. 2 * 18!

Question: How many words can be formed by re-arranging the letters of the word ASCENT such that A and T occupy the first and last position respectively?

1. 5!
2. 4!
3. 6! - 2!
4. 6! / 2!

Question: There are 12 yes or no questions. How many ways can these be answered?

1. 1024
2. 2048
3. 4096
4. 144

Question: How many ways can 4 prizes be given away to 3 boys, if each boy is eligible for all the prizes?

1. 256
2. 12
3. 81
4. None of these