Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 603 · 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 79 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
2. 2.If 26 August is a Monday, what day of the week is 8 September? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
3. 3.If 7 January is a Monday, what day of the week is 16 January? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
4. 4.If 8 March is a Monday, what day of the week is 22 March? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
5. 5.If 17 April is a Thursday, what day of the week is 14 May? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
6. 6.Today is Tuesday. What day of the week will it be after 18 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
7. 7.If 11 April is a Tuesday, what day of the week is 12 May? (a) Friday (b) Sunday (c) Thursday (d) Saturday
8. 8.If 9 October is a Sunday, what day of the week is 19 October? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
9. 9.If 21 November is a Monday, what day of the week is 16 December? (a) Sunday (b) Saturday (c) Friday (d) Thursday
10. 10.If 30 January is a Monday, what day of the week is 5 February? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
11. 11.Today is Thursday. What day of the week will it be after 83 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
12. 12.If 13 August is a Saturday, what day of the week is 27 August? (a) Monday (b) Saturday (c) Sunday (d) Friday
13. 13.If 13 November is a Tuesday, what day of the week is 13 December? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
14. 14.If 3 October is a Thursday, what day of the week is 18 October? (a) Saturday (b) Thursday (c) Sunday (d) Friday
15. 15.If 22 March is a Tuesday, what day of the week is 18 April? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
16. 16.If 15 May is a Saturday, what day of the week is 24 May? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
17. 17.If 17 July is a Friday, what day of the week is 9 August? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
18. 18.If 11 July is a Thursday, what day of the week is 19 August? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
19. 19.Today is Wednesday. What day of the week will it be after 75 days? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
20. 20.If 2 July is a Thursday, what day of the week is 13 July? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
21. 21.If 11 June is a Thursday, what day of the week is 15 July? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
22. 22.If 16 July is a Monday, what day of the week is 9 August? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
23. 23.If 16 April is a Thursday, what day of the week is 14 May? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
24. 24.If 13 May is a Wednesday, what day of the week is 25 May? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
25. 25.If 28 January is a Sunday, what day of the week is 17 February? (a) Friday (b) Monday (c) Saturday (d) Sunday
26. 26.If 8 May is a Tuesday, what day of the week is 18 May? (a) Thursday (b) Sunday (c) Friday (d) Saturday
27. 27.If 5 March is a Friday, what day of the week is 17 March? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
28. 28.If 27 March is a Sunday, what day of the week is 10 April? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
29. 29.If 5 July is a Wednesday, what day of the week is 17 July? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
30. 30.If 31 July is a Saturday, what day of the week is 19 August? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
31. 31.If 11 July is a Tuesday, what day of the week is 24 July? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
32. 32.If 11 March is a Saturday, what day of the week is 19 March? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
33. 33.If 5 March is a Saturday, what day of the week is 21 March? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
34. 34.If 15 April is a Monday, what day of the week is 13 May? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
35. 35.If 15 May is a Saturday, what day of the week is 26 May? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
36. 36.If 3 December is a Sunday, what day of the week is 13 December? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
37. 37.If 13 May is a Thursday, what day of the week is 26 May? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
38. 38.Today is Tuesday. What day of the week will it be after 38 days? (a) Sunday (b) Saturday (c) Thursday (d) Friday
39. 39.If 10 May is a Saturday, what day of the week is 19 May? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
40. 40.Today is Saturday. What day of the week will it be after 30 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday

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