Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 620 · 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 Thursday. What day of the week will it be after 25 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
2. 2.Today is Wednesday. What day of the week will it be after 84 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
3. 3.If 12 June is a Friday, what day of the week is 20 July? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
4. 4.If 27 July is a Wednesday, what day of the week is 13 August? (a) Sunday (b) Saturday (c) Monday (d) Friday
5. 5.Today is Saturday. What day of the week will it be after 26 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
6. 6.If 23 March is a Thursday, what day of the week is 10 April? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
7. 7.If 5 January is a Thursday, what day of the week is 16 January? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
8. 8.If 3 October is a Thursday, what day of the week is 15 October? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
9. 9.If 17 July is a Monday, what day of the week is 6 August? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
10. 10.If 9 August is a Monday, what day of the week is 22 August? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
11. 11.Today is Friday. What day of the week will it be after 30 days? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
12. 12.If 8 January is a Thursday, what day of the week is 23 January? (a) Saturday (b) Thursday (c) Sunday (d) Friday
13. 13.If 24 September is a Sunday, what day of the week is 12 October? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
14. 14.If 11 January is a Monday, what day of the week is 26 January? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
15. 15.If 25 September is a Tuesday, what day of the week is 16 October? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
16. 16.If 12 October is a Monday, what day of the week is 6 November? (a) Friday (b) Sunday (c) Saturday (d) Thursday
17. 17.Today is Friday. What day of the week will it be after 77 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
18. 18.If 13 January is a Wednesday, what day of the week is 1 February? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
19. 19.If 2 January is a Saturday, what day of the week is 18 January? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
20. 20.If 1 December is a Saturday, what day of the week is 9 December? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
21. 21.If 6 January is a Thursday, what day of the week is 17 January? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
22. 22.If 9 July is a Thursday, what day of the week is 18 July? (a) Friday (b) Monday (c) Sunday (d) Saturday
23. 23.If 2 January is a Monday, what day of the week is 14 January? (a) Monday (b) Sunday (c) Saturday (d) Friday
24. 24.If 16 August is a Monday, what day of the week is 15 September? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
25. 25.Today is Wednesday. What day of the week will it be after 73 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
26. 26.If 21 August is a Saturday, what day of the week is 2 September? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
27. 27.If 2 December is a Saturday, what day of the week is 17 December? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
28. 28.If 12 October is a Wednesday, what day of the week is 21 October? (a) Friday (b) Sunday (c) Saturday (d) Thursday
29. 29.If 10 July is a Thursday, what day of the week is 21 July? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
30. 30.If 1 October is a Monday, what day of the week is 9 October? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
31. 31.If 25 March is a Monday, what day of the week is 8 April? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
32. 32.If 6 October is a Monday, what day of the week is 22 October? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
33. 33.If 15 July is a Saturday, what day of the week is 23 July? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
34. 34.If 4 January is a Friday, what day of the week is 14 January? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
35. 35.Today is Friday. What day of the week will it be after 51 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
36. 36.If 22 September is a Sunday, what day of the week is 11 October? (a) Sunday (b) Friday (c) Thursday (d) Saturday
37. 37.If 15 May is a Saturday, what day of the week is 30 May? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
38. 38.Today is Wednesday. What day of the week will it be after 70 days? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
39. 39.If 14 March is a Wednesday, what day of the week is 5 April? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
40. 40.Today is Friday. What day of the week will it be after 28 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday

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