A question paper had 10 questions. Each question could only be answered as true(T) of False(F). Each candidate answered all the questions, Yet no two candidates wrote the answers in an identical sequence. How many different sequences of answers are possible?

Related Mcqs:

1. In a question paper, there are four multiple choice type questions, each question has five choices with only one choice for it’s correct answer. What is the total number of ways in which a candidate will not get all the four answers correct?

   A. 19
   B. 120
   C. 624
   D. 1024

2. In a test a candidate attempted only 8 Questions and secured 50% marks in each of the questions if the obtained a total of 40% in the test and all questions in the test carried equal marks, how many questions were there in the test?

   A. 8
   B. 10
   C. 15
   D. 16

3. In an examination a pupil’s average marks were 63 per paper. If he had obtained 20 more marks for his Geography paper and 2 more marks for his History paper, his average per paper would have been 65. How many papers were there in the examination?

   A. 8
   B. 9
   C. 10
   D. 11

4. In an examination, every candidate took physics or mathematics or both 65.8% took physics and 59.2% took mathematics the total number of candidates was 2000. How many candidates took both physics and mathematics?

   A. 750
   B. 500
   C. 250
   D. 125

5. There were two candidates in an election. Winner candidate received 62% of votes and won the election by 288 votes. Find the number of votes casted to the winning candidate?

   A. 456
   B. 744
   C. 912
   D. 1200

6. In an election between two candidates, the candidate who gets 30 % of the votes polled is defeated by 15000 votes. The number of votes polled by the winning candidate is:________?

   A. 11250
   B. 15000
   C. 26250
   D. 37500

7. There are two identical red, two identical black, and two identical white balls.In how many different ways can the balls be placed in the cells (Each cell to contain one ball) shown above such that balls of the same colour do not occupy any two consecutive cells?

   A. 15
   B. 18
   C. 24
   D. 30

8. A question paper consists of five problems, each problem having three internal choices. In how many ways can a candidate attempt one or more problems?

   A. 63
   B. 511
   C. 1023
   D. 15

9. The number of sequences in which 7 players can throw a ball, so that the youngest player may not be the last is -.

   A. 4000
   B. 2160
   C. 4320
   D. 5300

10. In an election only two candidates contested. A candidate secured 70% of the valid votes and won by a majority of 172 votes. Find the total number of valid votes?

    A. 430
    B. 570
    C. 480
    D. 520
    E. None of these