Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 66 · 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 29 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
2. 2.If 2 March is a Friday, what day of the week is 11 March? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
3. 3.If 15 May is a Friday, what day of the week is 29 May? (a) Friday (b) Thursday (c) Saturday (d) Sunday
4. 4.Today is Tuesday. What day of the week will it be after 90 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
5. 5.If 2 October is a Tuesday, what day of the week is 15 October? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
6. 6.Today is Friday. What day of the week will it be after 15 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
7. 7.If 12 July is a Friday, what day of the week is 20 July? (a) Sunday (b) Saturday (c) Monday (d) Friday
8. 8.Today is Friday. What day of the week will it be after 100 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
9. 9.Today is Wednesday. What day of the week will it be after 30 days? (a) Thursday (b) Saturday (c) Friday (d) Sunday
10. 10.Today is Saturday. What day of the week will it be after 76 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
11. 11.Today is Wednesday. What day of the week will it be after 20 days? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
12. 12.If 5 May is a Tuesday, what day of the week is 19 May? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
13. 13.If 4 December is a Thursday, what day of the week is 18 December? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
14. 14.If 12 March is a Thursday, what day of the week is 10 April? (a) Friday (b) Thursday (c) Saturday (d) Sunday
15. 15.If 7 July is a Friday, what day of the week is 21 July? (a) Friday (b) Thursday (c) Sunday (d) Saturday
16. 16.If 13 December is a Tuesday, what day of the week is 28 December? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
17. 17.Today is Saturday. What day of the week will it be after 32 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
18. 18.If 13 November is a Thursday, what day of the week is 2 December? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
19. 19.If 14 November is a Saturday, what day of the week is 11 December? (a) Saturday (b) Sunday (c) Friday (d) Thursday
20. 20.If 13 June is a Tuesday, what day of the week is 7 July? (a) Saturday (b) Thursday (c) Sunday (d) Friday
21. 21.If 2 March is a Saturday, what day of the week is 12 March? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
22. 22.If 6 October is a Wednesday, what day of the week is 22 October? (a) Sunday (b) Saturday (c) Thursday (d) Friday
23. 23.If 15 December is a Thursday, what day of the week is 31 December? (a) Monday (b) Saturday (c) Sunday (d) Friday
24. 24.If 14 May is a Thursday, what day of the week is 28 May? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
25. 25.Today is Saturday. What day of the week will it be after 26 days? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
26. 26.Today is Monday. What day of the week will it be after 55 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
27. 27.If 5 May is a Monday, what day of the week is 13 May? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
28. 28.If 12 August is a Friday, what day of the week is 25 August? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
29. 29.If 14 August is a Monday, what day of the week is 28 August? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
30. 30.If 27 September is a Tuesday, what day of the week is 3 October? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
31. 31.Today is Sunday. What day of the week will it be after 73 days? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
32. 32.Today is Saturday. What day of the week will it be after 45 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
33. 33.If 27 January is a Saturday, what day of the week is 6 February? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
34. 34.If 23 July is a Tuesday, what day of the week is 9 August? (a) Thursday (b) Friday (c) Sunday (d) Saturday
35. 35.If 10 August is a Monday, what day of the week is 20 September? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
36. 36.Today is Friday. What day of the week will it be after 58 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
37. 37.If 2 January is a Monday, what day of the week is 10 January? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
38. 38.If 15 April is a Monday, what day of the week is 8 May? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
39. 39.If 15 September is a Monday, what day of the week is 4 October? (a) Saturday (b) Friday (c) Monday (d) Sunday
40. 40.If 3 May is a Thursday, what day of the week is 14 May? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday

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