Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 623 · 40 questions

How to solve it (Throw away the weeks): Count the days between the two dates (use the month lengths: 30 or 31, February 28 in an ordinary year). Divide by 7: whole weeks do not change the day; the remainder does. Count the remainder on from the starting day.

1. 1.Today is Thursday. What day of the week will it be after 77 days? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
2. 2.If 12 October is a Tuesday, what day of the week is 21 October? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
3. 3.If 14 July is a Saturday, what day of the week is 29 July? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
4. 4.If 20 January is a Friday, what day of the week is 4 February? (a) Monday (b) Sunday (c) Friday (d) Saturday
5. 5.If 17 October is a Wednesday, what day of the week is 13 November? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
6. 6.If 30 March is a Friday, what day of the week is 18 April? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
7. 7.If 11 September is a Sunday, what day of the week is 17 October? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
8. 8.If 23 August is a Sunday, what day of the week is 15 September? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
9. 9.If 27 March is a Wednesday, what day of the week is 4 April? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
10. 10.If 15 October is a Monday, what day of the week is 23 October? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
11. 11.If 17 March is a Wednesday, what day of the week is 19 April? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
12. 12.If 4 July is a Monday, what day of the week is 12 July? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
13. 13.Today is Tuesday. What day of the week will it be after 35 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
14. 14.If 3 March is a Monday, what day of the week is 18 March? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
15. 15.Today is Monday. What day of the week will it be after 81 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
16. 16.If 4 May is a Sunday, what day of the week is 16 May? (a) Friday (b) Sunday (c) Thursday (d) Saturday
17. 17.If 20 September is a Monday, what day of the week is 13 October? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
18. 18.If 5 January is a Friday, what day of the week is 20 January? (a) Sunday (b) Friday (c) Monday (d) Saturday
19. 19.If 31 August is a Friday, what day of the week is 14 September? (a) Thursday (b) Saturday (c) Friday (d) Sunday
20. 20.If 2 January is a Tuesday, what day of the week is 16 January? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
21. 21.If 19 March is a Friday, what day of the week is 17 April? (a) Friday (b) Monday (c) Sunday (d) Saturday
22. 22.Today is Wednesday. What day of the week will it be after 60 days? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
23. 23.If 4 March is a Wednesday, what day of the week is 13 March? (a) Saturday (b) Thursday (c) Friday (d) Sunday
24. 24.Today is Wednesday. What day of the week will it be after 46 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
25. 25.Today is Saturday. What day of the week will it be after 95 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
26. 26.If 16 August is a Monday, what day of the week is 18 September? (a) Saturday (b) Friday (c) Monday (d) Sunday
27. 27.If 3 May is a Friday, what day of the week is 15 May? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
28. 28.If 19 April is a Wednesday, what day of the week is 14 May? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
29. 29.If 14 October is a Wednesday, what day of the week is 2 November? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
30. 30.Today is Wednesday. What day of the week will it be after 100 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
31. 31.Today is Monday. What day of the week will it be after 22 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
32. 32.If 14 July is a Monday, what day of the week is 28 July? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
33. 33.If 15 August is a Sunday, what day of the week is 25 August? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
34. 34.If 17 May is a Thursday, what day of the week is 5 June? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
35. 35.Today is Thursday. What day of the week will it be after 97 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
36. 36.If 18 July is a Friday, what day of the week is 2 August? (a) Sunday (b) Friday (c) Monday (d) Saturday
37. 37.If 29 September is a Saturday, what day of the week is 9 October? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
38. 38.If 2 January is a Saturday, what day of the week is 14 January? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
39. 39.If 9 August is a Monday, what day of the week is 18 August? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
40. 40.If 6 January is a Monday, what day of the week is 20 January? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday

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