Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 143 · 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 Monday. What day of the week will it be after 12 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
2. 2.If 27 April is a Sunday, what day of the week is 10 May? (a) Sunday (b) Monday (c) Saturday (d) Friday
3. 3.If 16 April is a Sunday, what day of the week is 12 May? (a) Sunday (b) Saturday (c) Friday (d) Thursday
4. 4.If 11 May is a Wednesday, what day of the week is 1 June? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
5. 5.If 9 May is a Tuesday, what day of the week is 25 May? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
6. 6.If 17 August is a Thursday, what day of the week is 20 September? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
7. 7.If 15 March is a Wednesday, what day of the week is 25 March? (a) Saturday (b) Sunday (c) Monday (d) Friday
8. 8.Today is Thursday. What day of the week will it be after 48 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
9. 9.If 16 August is a Thursday, what day of the week is 18 September? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
10. 10.If 4 July is a Thursday, what day of the week is 12 July? (a) Sunday (b) Friday (c) Thursday (d) Saturday
11. 11.If 23 September is a Tuesday, what day of the week is 14 October? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
12. 12.If 2 October is a Tuesday, what day of the week is 11 October? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
13. 13.Today is Thursday. What day of the week will it be after 34 days? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
14. 14.Today is Tuesday. What day of the week will it be after 33 days? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
15. 15.If 6 January is a Friday, what day of the week is 21 January? (a) Saturday (b) Sunday (c) Monday (d) Friday
16. 16.If 13 July is a Saturday, what day of the week is 27 July? (a) Monday (b) Sunday (c) Friday (d) Saturday
17. 17.If 20 July is a Friday, what day of the week is 4 August? (a) Friday (b) Sunday (c) Monday (d) Saturday
18. 18.If 17 March is a Wednesday, what day of the week is 19 April? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
19. 19.If 10 May is a Sunday, what day of the week is 24 May? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
20. 20.If 27 July is a Monday, what day of the week is 7 August? (a) Thursday (b) Friday (c) Saturday (d) Sunday
21. 21.If 11 July is a Saturday, what day of the week is 4 August? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
22. 22.If 12 March is a Monday, what day of the week is 5 April? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
23. 23.Today is Monday. What day of the week will it be after 88 days? (a) Sunday (b) Thursday (c) Friday (d) Saturday
24. 24.If 30 March is a Tuesday, what day of the week is 6 April? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
25. 25.If 22 November is a Monday, what day of the week is 17 December? (a) Sunday (b) Thursday (c) Friday (d) Saturday
26. 26.Today is Wednesday. What day of the week will it be after 64 days? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
27. 27.Today is Thursday. What day of the week will it be after 22 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
28. 28.Today is Tuesday. What day of the week will it be after 54 days? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
29. 29.Today is Monday. What day of the week will it be after 31 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
30. 30.If 4 January is a Sunday, what day of the week is 20 January? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
31. 31.Today is Saturday. What day of the week will it be after 32 days? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
32. 32.If 14 December is a Thursday, what day of the week is 26 December? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
33. 33.If 4 July is a Monday, what day of the week is 20 July? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
34. 34.If 10 April is a Saturday, what day of the week is 5 May? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
35. 35.If 14 October is a Monday, what day of the week is 19 November? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
36. 36.Today is Tuesday. What day of the week will it be after 79 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
37. 37.If 10 January is a Thursday, what day of the week is 20 February? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
38. 38.Today is Friday. What day of the week will it be after 98 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
39. 39.If 7 March is a Monday, what day of the week is 16 March? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
40. 40.Today is Friday. What day of the week will it be after 92 days? (a) Saturday (b) Sunday (c) Monday (d) Friday

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