Posted in Challenge Prelims V1.0, CSAT - Permutations and Combinations

Challenge Prelims V1.0 – Day 58 – CSAT Paper

 March 23, 2024  Leave a comment
Challenge Prelims V1.0-08

Subject: CSAT

Topics: Permutations and Combinations

Instructions:
This section is designed to help you prepare for the upcoming Prelims Exam. Here are some details about the quiz:

– The quiz consists of 5 practice questions based on specified topics.
– Each question carries 2.5 marks.
– There is no negative marking for incorrect answers.
– This quiz is purely for practice purposes.

Your participation in this quiz can significantly boost your score in the Prelims Exam.

Best of luck! Let’s get started.

1. A flag has to be designed with 4 horizontal stripes using some or all of the colours red, green and yellow. What is the number of different ways in which this can be done so that no two adjacent stripes have the same colour?

 
 
 
 

2. Find total number of 3 digit numbers where exactly one digit is 5 and each digit is distinct.

 
 
 
 

3. Find the number of arrangements that can be formed using the word ‘BANANA’?

 
 
 
 

4. A 4 digit number X is exactly divisible by 3. It is given that X can only have 0,1,2,3 or 4 as a digit. If each digit of X is distinct, find the number of possibilities for X?

 
 
 
 

5. All the six letters of the name SACHIN are arranged to form different words without repeating any letter in one word. The words so formed are then arranged as in dictionary. What will be the position of word SACHIN in that sequence?

 
 
 
 

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