Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 46 · 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 12 March is a Friday, what day of the week is 23 March? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
2. 2.Today is Monday. What day of the week will it be after 79 days? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
3. 3.If 8 August is a Saturday, what day of the week is 23 August? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
4. 4.If 23 August is a Sunday, what day of the week is 8 September? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
5. 5.If 11 July is a Tuesday, what day of the week is 21 July? (a) Thursday (b) Saturday (c) Friday (d) Sunday
6. 6.If 15 June is a Wednesday, what day of the week is 6 July? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
7. 7.If 1 May is a Tuesday, what day of the week is 11 May? (a) Friday (b) Saturday (c) Thursday (d) Sunday
8. 8.Today is Tuesday. What day of the week will it be after 50 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
9. 9.If 20 January is a Friday, what day of the week is 3 February? (a) Sunday (b) Friday (c) Saturday (d) Thursday
10. 10.Today is Sunday. What day of the week will it be after 16 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
11. 11.If 11 October is a Thursday, what day of the week is 27 October? (a) Monday (b) Friday (c) Saturday (d) Sunday
12. 12.If 7 May is a Sunday, what day of the week is 19 May? (a) Sunday (b) Thursday (c) Friday (d) Saturday
13. 13.If 10 August is a Sunday, what day of the week is 20 August? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
14. 14.If 4 August is a Sunday, what day of the week is 14 August? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
15. 15.Today is Monday. What day of the week will it be after 49 days? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
16. 16.If 15 August is a Friday, what day of the week is 27 August? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
17. 17.If 22 August is a Thursday, what day of the week is 9 September? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
18. 18.If 2 August is a Saturday, what day of the week is 17 August? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
19. 19.Today is Tuesday. What day of the week will it be after 59 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
20. 20.If 9 March is a Thursday, what day of the week is 24 March? (a) Saturday (b) Sunday (c) Thursday (d) Friday
21. 21.If 11 March is a Sunday, what day of the week is 26 March? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
22. 22.If 4 July is a Thursday, what day of the week is 12 July? (a) Friday (b) Saturday (c) Thursday (d) Sunday
23. 23.If 26 October is a Monday, what day of the week is 5 November? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
24. 24.Today is Wednesday. What day of the week will it be after 76 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
25. 25.If 10 January is a Thursday, what day of the week is 8 February? (a) Friday (b) Thursday (c) Saturday (d) Sunday
26. 26.If 27 July is a Sunday, what day of the week is 9 August? (a) Monday (b) Friday (c) Sunday (d) Saturday
27. 27.If 12 December is a Saturday, what day of the week is 22 December? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
28. 28.If 15 March is a Saturday, what day of the week is 19 April? (a) Saturday (b) Friday (c) Monday (d) Sunday
29. 29.If 10 July is a Tuesday, what day of the week is 23 July? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
30. 30.If 12 November is a Friday, what day of the week is 17 December? (a) Sunday (b) Saturday (c) Friday (d) Thursday
31. 31.If 28 January is a Friday, what day of the week is 8 February? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
32. 32.Today is Tuesday. What day of the week will it be after 26 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
33. 33.Today is Sunday. What day of the week will it be after 34 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
34. 34.If 12 August is a Wednesday, what day of the week is 16 September? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
35. 35.If 30 April is a Monday, what day of the week is 4 May? (a) Thursday (b) Friday (c) Sunday (d) Saturday
36. 36.If 1 May is a Wednesday, what day of the week is 16 May? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
37. 37.If 3 May is a Tuesday, what day of the week is 17 May? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
38. 38.If 5 October is a Tuesday, what day of the week is 18 October? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
39. 39.Today is Monday. What day of the week will it be after 58 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
40. 40.Today is Thursday. What day of the week will it be after 35 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday

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