Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 991 · 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 6 July is a Wednesday, what day of the week is 22 July? (a) Friday (b) Sunday (c) Saturday (d) Thursday
2. 2.If 10 April is a Wednesday, what day of the week is 17 May? (a) Friday (b) Sunday (c) Thursday (d) Saturday
3. 3.If 12 December is a Monday, what day of the week is 21 December? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
4. 4.If 13 January is a Sunday, what day of the week is 28 January? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
5. 5.Today is Thursday. What day of the week will it be after 12 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
6. 6.If 2 May is a Wednesday, what day of the week is 18 May? (a) Sunday (b) Saturday (c) Friday (d) Thursday
7. 7.Today is Sunday. What day of the week will it be after 33 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
8. 8.If 16 August is a Thursday, what day of the week is 10 September? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
9. 9.Today is Sunday. What day of the week will it be after 43 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
10. 10.Today is Thursday. What day of the week will it be after 26 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
11. 11.If 30 July is a Tuesday, what day of the week is 11 August? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
12. 12.If 11 May is a Wednesday, what day of the week is 20 May? (a) Friday (b) Thursday (c) Saturday (d) Sunday
13. 13.If 27 August is a Wednesday, what day of the week is 2 September? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
14. 14.If 6 May is a Wednesday, what day of the week is 18 May? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
15. 15.Today is Tuesday. What day of the week will it be after 90 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
16. 16.Today is Tuesday. What day of the week will it be after 70 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
17. 17.Today is Wednesday. What day of the week will it be after 83 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
18. 18.If 15 July is a Saturday, what day of the week is 25 July? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
19. 19.If 19 November is a Tuesday, what day of the week is 3 December? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
20. 20.If 14 May is a Thursday, what day of the week is 24 May? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
21. 21.Today is Tuesday. What day of the week will it be after 28 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
22. 22.Today is Sunday. What day of the week will it be after 42 days? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
23. 23.If 15 December is a Monday, what day of the week is 25 December? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
24. 24.If 3 January is a Saturday, what day of the week is 12 January? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
25. 25.If 10 October is a Sunday, what day of the week is 20 October? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
26. 26.If 6 December is a Monday, what day of the week is 16 December? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
27. 27.If 9 October is a Monday, what day of the week is 17 October? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
28. 28.If 11 December is a Sunday, what day of the week is 26 December? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
29. 29.If 24 March is a Saturday, what day of the week is 4 April? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
30. 30.Today is Thursday. What day of the week will it be after 86 days? (a) Saturday (b) Sunday (c) Friday (d) Monday
31. 31.If 20 July is a Friday, what day of the week is 12 August? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
32. 32.Today is Tuesday. What day of the week will it be after 34 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
33. 33.If 15 October is a Tuesday, what day of the week is 26 October? (a) Monday (b) Sunday (c) Saturday (d) Friday
34. 34.If 14 May is a Tuesday, what day of the week is 28 May? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
35. 35.If 16 July is a Saturday, what day of the week is 7 August? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
36. 36.If 3 July is a Tuesday, what day of the week is 15 July? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
37. 37.If 6 January is a Saturday, what day of the week is 20 January? (a) Monday (b) Friday (c) Saturday (d) Sunday
38. 38.Today is Sunday. What day of the week will it be after 22 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
39. 39.If 21 September is a Friday, what day of the week is 6 October? (a) Sunday (b) Saturday (c) Monday (d) Friday
40. 40.If 24 January is a Friday, what day of the week is 11 February? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday

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