Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 962 · 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 Sunday. What day of the week will it be after 53 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
2. 2.If 6 July is a Tuesday, what day of the week is 17 July? (a) Sunday (b) Monday (c) Saturday (d) Friday
3. 3.If 14 March is a Tuesday, what day of the week is 9 April? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
4. 4.Today is Friday. What day of the week will it be after 31 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
5. 5.If 4 October is a Tuesday, what day of the week is 16 October? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
6. 6.Today is Tuesday. What day of the week will it be after 81 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
7. 7.If 7 January is a Sunday, what day of the week is 18 January? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
8. 8.If 30 July is a Thursday, what day of the week is 10 August? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
9. 9.Today is Sunday. What day of the week will it be after 99 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
10. 10.Today is Tuesday. What day of the week will it be after 45 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
11. 11.If 26 July is a Monday, what day of the week is 2 August? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
12. 12.Today is Tuesday. What day of the week will it be after 63 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
13. 13.Today is Monday. What day of the week will it be after 59 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
14. 14.If 9 May is a Monday, what day of the week is 25 May? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
15. 15.If 9 October is a Sunday, what day of the week is 22 October? (a) Sunday (b) Monday (c) Friday (d) Saturday
16. 16.Today is Monday. What day of the week will it be after 36 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
17. 17.If 31 January is a Monday, what day of the week is 9 February? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
18. 18.If 2 March is a Wednesday, what day of the week is 13 March? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
19. 19.If 10 August is a Friday, what day of the week is 19 August? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
20. 20.If 9 January is a Monday, what day of the week is 23 January? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
21. 21.If 24 August is a Wednesday, what day of the week is 15 September? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
22. 22.If 31 August is a Friday, what day of the week is 19 September? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
23. 23.If 3 March is a Saturday, what day of the week is 19 March? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
24. 24.If 9 August is a Wednesday, what day of the week is 17 August? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
25. 25.If 15 September is a Tuesday, what day of the week is 3 October? (a) Monday (b) Friday (c) Sunday (d) Saturday
26. 26.If 26 June is a Sunday, what day of the week is 5 July? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
27. 27.If 20 May is a Saturday, what day of the week is 10 June? (a) Sunday (b) Friday (c) Monday (d) Saturday
28. 28.If 2 July is a Monday, what day of the week is 12 July? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
29. 29.Today is Friday. What day of the week will it be after 61 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
30. 30.If 31 August is a Sunday, what day of the week is 16 September? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
31. 31.Today is Sunday. What day of the week will it be after 61 days? (a) Sunday (b) Saturday (c) Thursday (d) Friday
32. 32.If 11 May is a Sunday, what day of the week is 19 May? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
33. 33.If 11 October is a Monday, what day of the week is 21 October? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
34. 34.Today is Wednesday. What day of the week will it be after 21 days? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
35. 35.If 29 June is a Monday, what day of the week is 14 July? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
36. 36.If 11 July is a Friday, what day of the week is 21 July? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
37. 37.If 21 November is a Monday, what day of the week is 1 December? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
38. 38.If 14 July is a Tuesday, what day of the week is 22 July? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
39. 39.Today is Wednesday. What day of the week will it be after 81 days? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
40. 40.If 15 March is a Sunday, what day of the week is 11 April? (a) Monday (b) Sunday (c) Friday (d) Saturday

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