Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 260 · 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 14 July is a Monday, what day of the week is 19 August? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
2. 2.If 13 July is a Sunday, what day of the week is 21 July? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
3. 3.If 4 August is a Saturday, what day of the week is 17 August? (a) Thursday (b) Saturday (c) Sunday (d) Friday
4. 4.If 14 July is a Wednesday, what day of the week is 22 July? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
5. 5.If 14 December is a Saturday, what day of the week is 23 December? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
6. 6.If 2 July is a Friday, what day of the week is 15 July? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
7. 7.If 7 July is a Sunday, what day of the week is 17 July? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
8. 8.If 6 March is a Tuesday, what day of the week is 21 March? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
9. 9.If 31 January is a Thursday, what day of the week is 18 February? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
10. 10.If 15 January is a Saturday, what day of the week is 24 January? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
11. 11.If 17 November is a Monday, what day of the week is 12 December? (a) Saturday (b) Thursday (c) Sunday (d) Friday
12. 12.Today is Sunday. What day of the week will it be after 84 days? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
13. 13.If 6 July is a Sunday, what day of the week is 15 July? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
14. 14.If 29 August is a Saturday, what day of the week is 20 September? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
15. 15.Today is Wednesday. What day of the week will it be after 75 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
16. 16.If 7 May is a Monday, what day of the week is 17 May? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
17. 17.If 1 January is a Tuesday, what day of the week is 14 January? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
18. 18.If 5 March is a Friday, what day of the week is 13 March? (a) Sunday (b) Friday (c) Monday (d) Saturday
19. 19.Today is Monday. What day of the week will it be after 16 days? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
20. 20.If 18 September is a Saturday, what day of the week is 9 October? (a) Friday (b) Saturday (c) Sunday (d) Monday
21. 21.Today is Thursday. What day of the week will it be after 42 days? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
22. 22.Today is Monday. What day of the week will it be after 73 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
23. 23.If 30 September is a Tuesday, what day of the week is 13 October? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
24. 24.Today is Sunday. What day of the week will it be after 98 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
25. 25.If 6 October is a Friday, what day of the week is 22 October? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
26. 26.If 11 March is a Sunday, what day of the week is 19 March? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
27. 27.If 12 October is a Tuesday, what day of the week is 7 November? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
28. 28.If 11 August is a Tuesday, what day of the week is 5 September? (a) Sunday (b) Friday (c) Monday (d) Saturday
29. 29.Today is Wednesday. What day of the week will it be after 19 days? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
30. 30.If 24 March is a Tuesday, what day of the week is 15 April? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
31. 31.If 20 July is a Monday, what day of the week is 1 August? (a) Friday (b) Sunday (c) Monday (d) Saturday
32. 32.If 14 December is a Monday, what day of the week is 22 December? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
33. 33.If 26 August is a Saturday, what day of the week is 17 September? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
34. 34.Today is Saturday. What day of the week will it be after 94 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
35. 35.Today is Thursday. What day of the week will it be after 20 days? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
36. 36.If 30 June is a Monday, what day of the week is 9 July? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
37. 37.Today is Saturday. What day of the week will it be after 36 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
38. 38.If 15 June is a Monday, what day of the week is 14 July? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
39. 39.If 6 January is a Thursday, what day of the week is 17 January? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
40. 40.If 1 October is a Friday, what day of the week is 9 October? (a) Sunday (b) Friday (c) Monday (d) Saturday

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