Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 85 · 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 10 June is a Sunday, what day of the week is 4 July? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
2. 2.Today is Monday. What day of the week will it be after 36 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
3. 3.Today is Saturday. What day of the week will it be after 90 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
4. 4.If 13 January is a Wednesday, what day of the week is 25 January? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
5. 5.Today is Monday. What day of the week will it be after 69 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
6. 6.If 19 August is a Sunday, what day of the week is 16 September? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
7. 7.If 9 May is a Wednesday, what day of the week is 21 May? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
8. 8.If 2 March is a Thursday, what day of the week is 15 March? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
9. 9.If 29 August is a Tuesday, what day of the week is 9 September? (a) Sunday (b) Saturday (c) Monday (d) Friday
10. 10.If 11 March is a Saturday, what day of the week is 22 March? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
11. 11.If 19 August is a Monday, what day of the week is 15 September? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
12. 12.If 18 November is a Tuesday, what day of the week is 19 December? (a) Friday (b) Saturday (c) Sunday (d) Thursday
13. 13.If 28 July is a Monday, what day of the week is 7 August? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
14. 14.If 19 November is a Thursday, what day of the week is 13 December? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
15. 15.Today is Sunday. What day of the week will it be after 90 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
16. 16.Today is Wednesday. What day of the week will it be after 56 days? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
17. 17.If 11 December is a Thursday, what day of the week is 20 December? (a) Saturday (b) Sunday (c) Friday (d) Monday
18. 18.If 5 March is a Sunday, what day of the week is 17 March? (a) Thursday (b) Saturday (c) Sunday (d) Friday
19. 19.Today is Tuesday. What day of the week will it be after 79 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
20. 20.Today is Wednesday. What day of the week will it be after 76 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
21. 21.If 15 June is a Friday, what day of the week is 16 July? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
22. 22.Today is Monday. What day of the week will it be after 29 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
23. 23.If 28 March is a Saturday, what day of the week is 12 April? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
24. 24.Today is Saturday. What day of the week will it be after 61 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
25. 25.Today is Wednesday. What day of the week will it be after 85 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
26. 26.If 16 November is a Monday, what day of the week is 16 December? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
27. 27.Today is Monday. What day of the week will it be after 71 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
28. 28.If 12 November is a Friday, what day of the week is 17 December? (a) Sunday (b) Saturday (c) Thursday (d) Friday
29. 29.Today is Tuesday. What day of the week will it be after 20 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
30. 30.If 3 January is a Monday, what day of the week is 15 January? (a) Sunday (b) Monday (c) Saturday (d) Friday
31. 31.If 13 August is a Tuesday, what day of the week is 4 September? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
32. 32.If 11 September is a Sunday, what day of the week is 5 October? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
33. 33.Today is Wednesday. What day of the week will it be after 31 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
34. 34.If 4 May is a Wednesday, what day of the week is 19 May? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
35. 35.If 7 May is a Monday, what day of the week is 20 May? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
36. 36.Today is Friday. What day of the week will it be after 18 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
37. 37.If 23 November is a Tuesday, what day of the week is 5 December? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
38. 38.Today is Friday. What day of the week will it be after 88 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
39. 39.If 11 March is a Saturday, what day of the week is 25 March? (a) Friday (b) Sunday (c) Saturday (d) Monday
40. 40.If 4 January is a Monday, what day of the week is 14 January? (a) Thursday (b) Friday (c) Saturday (d) Wednesday

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