Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 122 · 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 23 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
2. 2.If 5 January is a Thursday, what day of the week is 17 January? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
3. 3.If 12 June is a Tuesday, what day of the week is 1 July? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
4. 4.If 3 March is a Thursday, what day of the week is 17 March? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
5. 5.Today is Monday. What day of the week will it be after 10 days? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
6. 6.Today is Saturday. What day of the week will it be after 35 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
7. 7.Today is Saturday. What day of the week will it be after 30 days? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
8. 8.If 13 March is a Saturday, what day of the week is 5 April? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
9. 9.Today is Friday. What day of the week will it be after 71 days? (a) Monday (b) Sunday (c) Saturday (d) Friday
10. 10.If 1 May is a Tuesday, what day of the week is 15 May? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
11. 11.Today is Friday. What day of the week will it be after 89 days? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
12. 12.If 11 March is a Monday, what day of the week is 17 April? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
13. 13.Today is Tuesday. What day of the week will it be after 20 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
14. 14.If 2 March is a Monday, what day of the week is 10 March? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
15. 15.If 10 January is a Monday, what day of the week is 21 January? (a) Friday (b) Sunday (c) Thursday (d) Saturday
16. 16.If 14 December is a Sunday, what day of the week is 30 December? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
17. 17.If 21 September is a Thursday, what day of the week is 8 October? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
18. 18.If 19 July is a Wednesday, what day of the week is 7 August? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
19. 19.Today is Tuesday. What day of the week will it be after 80 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
20. 20.If 3 January is a Wednesday, what day of the week is 18 January? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
21. 21.Today is Thursday. What day of the week will it be after 61 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
22. 22.If 2 December is a Tuesday, what day of the week is 13 December? (a) Saturday (b) Monday (c) Sunday (d) Friday
23. 23.If 22 April is a Tuesday, what day of the week is 17 May? (a) Friday (b) Monday (c) Sunday (d) Saturday
24. 24.If 30 July is a Saturday, what day of the week is 5 August? (a) Saturday (b) Friday (c) Thursday (d) Sunday
25. 25.Today is Tuesday. What day of the week will it be after 26 days? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
26. 26.If 2 March is a Tuesday, what day of the week is 10 March? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
27. 27.If 15 January is a Sunday, what day of the week is 26 January? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
28. 28.Today is Thursday. What day of the week will it be after 60 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
29. 29.Today is Saturday. What day of the week will it be after 72 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
30. 30.If 22 May is a Sunday, what day of the week is 5 June? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
31. 31.If 16 May is a Monday, what day of the week is 5 June? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
32. 32.Today is Tuesday. What day of the week will it be after 99 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
33. 33.If 12 March is a Sunday, what day of the week is 24 March? (a) Thursday (b) Friday (c) Sunday (d) Saturday
34. 34.If 20 April is a Sunday, what day of the week is 11 May? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
35. 35.Today is Sunday. What day of the week will it be after 46 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
36. 36.If 15 May is a Thursday, what day of the week is 28 May? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
37. 37.If 21 August is a Tuesday, what day of the week is 8 September? (a) Monday (b) Saturday (c) Sunday (d) Friday
38. 38.Today is Sunday. What day of the week will it be after 75 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
39. 39.If 30 November is a Tuesday, what day of the week is 16 December? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
40. 40.If 14 May is a Sunday, what day of the week is 17 June? (a) Sunday (b) Friday (c) Monday (d) Saturday

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