Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 183 · 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 11 December is a Monday, what day of the week is 26 December? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
2. 2.Today is Wednesday. What day of the week will it be after 42 days? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
3. 3.If 10 October is a Thursday, what day of the week is 7 November? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
4. 4.If 22 August is a Saturday, what day of the week is 14 September? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
5. 5.If 28 April is a Thursday, what day of the week is 3 May? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
6. 6.If 11 July is a Tuesday, what day of the week is 22 July? (a) Sunday (b) Monday (c) Friday (d) Saturday
7. 7.Today is Thursday. What day of the week will it be after 29 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
8. 8.Today is Saturday. What day of the week will it be after 32 days? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
9. 9.If 31 July is a Wednesday, what day of the week is 12 August? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
10. 10.Today is Friday. What day of the week will it be after 67 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
11. 11.If 29 November is a Saturday, what day of the week is 14 December? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
12. 12.If 14 March is a Tuesday, what day of the week is 28 March? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
13. 13.If 15 March is a Saturday, what day of the week is 28 March? (a) Thursday (b) Saturday (c) Sunday (d) Friday
14. 14.If 6 March is a Saturday, what day of the week is 14 March? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
15. 15.If 20 September is a Thursday, what day of the week is 17 October? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
16. 16.If 24 March is a Sunday, what day of the week is 7 April? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
17. 17.Today is Monday. What day of the week will it be after 51 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
18. 18.If 26 March is a Monday, what day of the week is 5 April? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
19. 19.Today is Monday. What day of the week will it be after 31 days? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
20. 20.If 15 March is a Thursday, what day of the week is 26 March? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
21. 21.If 8 January is a Friday, what day of the week is 19 January? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
22. 22.If 25 April is a Monday, what day of the week is 16 May? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
23. 23.If 22 October is a Saturday, what day of the week is 8 November? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
24. 24.If 5 December is a Monday, what day of the week is 19 December? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
25. 25.If 4 May is a Friday, what day of the week is 16 May? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
26. 26.If 25 April is a Wednesday, what day of the week is 5 May? (a) Sunday (b) Saturday (c) Friday (d) Monday
27. 27.If 2 January is a Wednesday, what day of the week is 12 January? (a) Monday (b) Saturday (c) Sunday (d) Friday
28. 28.Today is Saturday. What day of the week will it be after 98 days? (a) Friday (b) Sunday (c) Monday (d) Saturday
29. 29.If 1 March is a Sunday, what day of the week is 9 March? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
30. 30.If 11 July is a Friday, what day of the week is 24 July? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
31. 31.If 5 December is a Monday, what day of the week is 20 December? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
32. 32.Today is Thursday. What day of the week will it be after 10 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
33. 33.If 10 March is a Sunday, what day of the week is 9 April? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
34. 34.If 1 January is a Thursday, what day of the week is 15 January? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
35. 35.If 15 July is a Thursday, what day of the week is 31 July? (a) Sunday (b) Friday (c) Monday (d) Saturday
36. 36.If 24 July is a Friday, what day of the week is 1 August? (a) Friday (b) Monday (c) Sunday (d) Saturday
37. 37.If 10 October is a Thursday, what day of the week is 25 October? (a) Sunday (b) Thursday (c) Friday (d) Saturday
38. 38.Today is Friday. What day of the week will it be after 69 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
39. 39.If 10 July is a Friday, what day of the week is 17 August? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
40. 40.If 5 July is a Saturday, what day of the week is 17 July? (a) Friday (b) Wednesday (c) Saturday (d) Thursday

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