Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 139 · 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 Saturday. What day of the week will it be after 24 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
2. 2.If 16 January is a Sunday, what day of the week is 17 February? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
3. 3.Today is Sunday. What day of the week will it be after 34 days? (a) Friday (b) Saturday (c) Monday (d) Sunday
4. 4.If 9 August is a Saturday, what day of the week is 20 August? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
5. 5.If 9 October is a Thursday, what day of the week is 17 October? (a) Friday (b) Thursday (c) Sunday (d) Saturday
6. 6.Today is Thursday. What day of the week will it be after 79 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
7. 7.If 15 July is a Sunday, what day of the week is 25 July? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
8. 8.If 12 October is a Sunday, what day of the week is 21 October? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
9. 9.If 11 September is a Thursday, what day of the week is 11 October? (a) Monday (b) Sunday (c) Saturday (d) Friday
10. 10.Today is Thursday. What day of the week will it be after 75 days? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
11. 11.Today is Sunday. What day of the week will it be after 90 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
12. 12.If 25 April is a Saturday, what day of the week is 5 May? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
13. 13.Today is Friday. What day of the week will it be after 16 days? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
14. 14.If 17 April is a Sunday, what day of the week is 11 May? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
15. 15.If 17 March is a Friday, what day of the week is 14 April? (a) Thursday (b) Sunday (c) Friday (d) Saturday
16. 16.If 22 September is a Monday, what day of the week is 16 October? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
17. 17.Today is Sunday. What day of the week will it be after 28 days? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
18. 18.If 26 July is a Friday, what day of the week is 5 August? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
19. 19.Today is Friday. What day of the week will it be after 71 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
20. 20.If 14 July is a Friday, what day of the week is 25 July? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
21. 21.Today is Thursday. What day of the week will it be after 22 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
22. 22.If 7 May is a Tuesday, what day of the week is 21 May? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
23. 23.If 31 March is a Sunday, what day of the week is 8 April? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
24. 24.If 31 May is a Friday, what day of the week is 9 June? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
25. 25.If 2 December is a Friday, what day of the week is 11 December? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
26. 26.If 29 April is a Tuesday, what day of the week is 2 May? (a) Saturday (b) Thursday (c) Friday (d) Sunday
27. 27.If 4 January is a Friday, what day of the week is 13 January? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
28. 28.If 9 May is a Saturday, what day of the week is 19 May? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
29. 29.If 11 August is a Sunday, what day of the week is 26 August? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
30. 30.Today is Thursday. What day of the week will it be after 92 days? (a) Sunday (b) Thursday (c) Friday (d) Saturday
31. 31.If 11 January is a Wednesday, what day of the week is 3 February? (a) Sunday (b) Friday (c) Saturday (d) Thursday
32. 32.Today is Saturday. What day of the week will it be after 51 days? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
33. 33.If 12 January is a Sunday, what day of the week is 27 January? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
34. 34.If 8 July is a Friday, what day of the week is 16 July? (a) Sunday (b) Friday (c) Saturday (d) Monday
35. 35.Today is Wednesday. What day of the week will it be after 68 days? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
36. 36.Today is Wednesday. What day of the week will it be after 77 days? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
37. 37.If 4 August is a Friday, what day of the week is 15 August? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
38. 38.If 20 August is a Wednesday, what day of the week is 2 September? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
39. 39.If 4 August is a Wednesday, what day of the week is 15 August? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
40. 40.Today is Saturday. What day of the week will it be after 11 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday

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