Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 881 · 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.If 16 September is a Monday, what day of the week is 20 October? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
2. 2.Today is Wednesday. What day of the week will it be after 97 days? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
3. 3.If 14 March is a Friday, what day of the week is 24 March? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
4. 4.Today is Sunday. What day of the week will it be after 78 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
5. 5.If 14 December is a Tuesday, what day of the week is 30 December? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
6. 6.If 20 May is a Wednesday, what day of the week is 6 June? (a) Sunday (b) Saturday (c) Friday (d) Monday
7. 7.If 12 October is a Sunday, what day of the week is 8 November? (a) Monday (b) Friday (c) Sunday (d) Saturday
8. 8.If 2 December is a Sunday, what day of the week is 18 December? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
9. 9.Today is Saturday. What day of the week will it be after 98 days? (a) Saturday (b) Friday (c) Sunday (d) Monday
10. 10.If 5 May is a Wednesday, what day of the week is 13 May? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
11. 11.Today is Saturday. What day of the week will it be after 52 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
12. 12.If 6 October is a Friday, what day of the week is 21 October? (a) Friday (b) Sunday (c) Monday (d) Saturday
13. 13.If 13 August is a Thursday, what day of the week is 29 August? (a) Monday (b) Saturday (c) Friday (d) Sunday
14. 14.If 13 December is a Sunday, what day of the week is 25 December? (a) Thursday (b) Sunday (c) Saturday (d) Friday
15. 15.If 13 January is a Wednesday, what day of the week is 27 January? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
16. 16.If 10 July is a Saturday, what day of the week is 23 July? (a) Thursday (b) Friday (c) Saturday (d) Sunday
17. 17.Today is Tuesday. What day of the week will it be after 86 days? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
18. 18.If 11 July is a Friday, what day of the week is 26 July? (a) Monday (b) Saturday (c) Friday (d) Sunday
19. 19.Today is Monday. What day of the week will it be after 91 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
20. 20.Today is Thursday. What day of the week will it be after 57 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday
21. 21.Today is Friday. What day of the week will it be after 50 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
22. 22.Today is Wednesday. What day of the week will it be after 66 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
23. 23.If 4 January is a Monday, what day of the week is 16 January? (a) Friday (b) Monday (c) Saturday (d) Sunday
24. 24.Today is Friday. What day of the week will it be after 21 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
25. 25.Today is Friday. What day of the week will it be after 92 days? (a) Saturday (b) Friday (c) Monday (d) Sunday
26. 26.Today is Monday. What day of the week will it be after 13 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
27. 27.Today is Friday. What day of the week will it be after 41 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
28. 28.If 2 October is a Tuesday, what day of the week is 15 October? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
29. 29.Today is Sunday. What day of the week will it be after 24 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
30. 30.Today is Friday. What day of the week will it be after 46 days? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
31. 31.Today is Tuesday. What day of the week will it be after 12 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
32. 32.If 8 December is a Monday, what day of the week is 19 December? (a) Saturday (b) Thursday (c) Sunday (d) Friday
33. 33.If 31 October is a Monday, what day of the week is 1 November? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
34. 34.Today is Friday. What day of the week will it be after 97 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
35. 35.If 6 January is a Sunday, what day of the week is 17 January? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
36. 36.Today is Monday. What day of the week will it be after 48 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
37. 37.If 7 March is a Wednesday, what day of the week is 18 March? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
38. 38.If 24 August is a Saturday, what day of the week is 4 September? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
39. 39.If 6 December is a Tuesday, what day of the week is 21 December? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
40. 40.If 7 December is a Monday, what day of the week is 18 December? (a) Thursday (b) Friday (c) Saturday (d) Sunday

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