answer with minimal soluiion is fine

1. How many 2 digit numbers an be formed from the four integers 1, 2, 3, and 4 if repetition is allowed? 0 18 different pass codes 16 different pass codes 15 different pass codes 000 POP\"? 36 different pass codes 2. How many ways can a postman post 3Ietlersin 5 letter box? 0 A. 18ways O B. 72ways O C. 15 ways 0 D. 36 ways 3. Lewis has it pairs of pants, 3 polo shirts and 2 pairs of shoes, how man}r outts can he wear? 0 A. 18 outts can wear B. ?2 outts can wear C. 15 outts Iln wear 000 D. 24 outts can wear 4. If a coin is flipped 4 times, how many different sequences of head and tails are possible? O A. 96 different sequences of head and tails O B. 16 different sequences of head and tails O c. 12 different sequences of head and tails O D. 6 different sequences of head and tails 5. In the coming track and field competition, seven sprinters will run the 100-meter dash. How many ways can gold, silver, and bronze medals be awarded? O A. 210 ways O B. 5, 040 ways O C. 60 ways O D. 120 ways 6. How many ways can four books be arranged on a shelf? O A. 6 ways O B. 12 ways O C. 3 ways O D. 24 ways7. There are 9 contestants in English declamation contest. How many possible ways are there to award gold, silver and bronze medals? O A. 2, 401 options O B. 504 options O c. 840 options O D. 35 options 8. If five students are to be seated in 5 chairs, how many ways can they be seated in a circle? O A. 12 ways O B. 840 ways O c. 24 ways O D. 36 ways 9. If five students are to be seated in 5 chairs, how many ways can they be seated in a row? O A. 120 ways O B. 840 ways O C. 24 ways O D. 36 ways10. The new license plates consist of three alphabet letters followed by three digits. How many different license plates can be made if the first letter is vowel? O A. 118, 300 different plates O B. 84, 500, 000 different plates O c. 3, 380, 000 different plates O D. 91, 000 different plates 11. Eight students are lined up to be seated, the number of ways can 4 of them be seated in a row of 4 chairs is 1680. O A. True O B. False 12. Eight students are lined up to be seated, the number of ways can all of them be seated in a row of 8 chairs is 1. O A. True O B. False 13. The value of 4! 5! Is 122. O A. True O B. False14. The number of ways that 4 ofcers in Grade 10 Newton class be elected among 45 students is 3, 575, 800 ways. 0 A. True 0 B. False 15. The number of ways that 4 |etter can be formed in the word GOLD is 12. O A. True 0 B. False 16. The number of ways that 4 |etter can be formed in the word SILVER is 360 O A. True 0 B. False 17. The number of ways that 5 boys and 5 girls be seated at a round table if 3 particular girls must sit together is 332, 640 ways. 0 A. True 0 B. False 18. The number of ways that 5 boys and 5 girls be seated at a round table if all the girls must sit together is 120 ways. 0 A. True 0 B. False 19. The number of ways from the word INDEPENDENCE be arranged is 1, 663, 200. O A. True O B. False 20. The number of ways from the word COMBINATORICS be arranged is 78, 377, 600. O A. True O B. False