Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 196 · 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 2 January is a Wednesday, what day of the week is 15 January? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
2. 2.Today is Wednesday. What day of the week will it be after 23 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
3. 3.If 11 April is a Tuesday, what day of the week is 20 May? (a) Saturday (b) Monday (c) Sunday (d) Friday
4. 4.Today is Tuesday. What day of the week will it be after 84 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
5. 5.If 22 April is a Thursday, what day of the week is 5 May? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
6. 6.If 1 October is a Sunday, what day of the week is 14 October? (a) Sunday (b) Saturday (c) Friday (d) Monday
7. 7.If 5 October is a Thursday, what day of the week is 18 October? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
8. 8.If 7 October is a Wednesday, what day of the week is 15 October? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
9. 9.Today is Tuesday. What day of the week will it be after 17 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
10. 10.If 23 June is a Friday, what day of the week is 15 July? (a) Monday (b) Sunday (c) Saturday (d) Friday
11. 11.Today is Tuesday. What day of the week will it be after 100 days? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
12. 12.Today is Saturday. What day of the week will it be after 90 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
13. 13.If 26 August is a Tuesday, what day of the week is 16 September? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
14. 14.If 12 December is a Thursday, what day of the week is 23 December? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
15. 15.Today is Sunday. What day of the week will it be after 97 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
16. 16.If 15 March is a Saturday, what day of the week is 30 March? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
17. 17.If 12 May is a Saturday, what day of the week is 17 June? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
18. 18.Today is Monday. What day of the week will it be after 80 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
19. 19.If 5 May is a Saturday, what day of the week is 14 May? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
20. 20.If 11 August is a Saturday, what day of the week is 2 September? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
21. 21.If 11 May is a Sunday, what day of the week is 4 June? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
22. 22.Today is Thursday. What day of the week will it be after 27 days? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
23. 23.If 4 January is a Saturday, what day of the week is 16 January? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
24. 24.If 5 October is a Tuesday, what day of the week is 17 October? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
25. 25.If 13 July is a Monday, what day of the week is 25 July? (a) Monday (b) Saturday (c) Friday (d) Sunday
26. 26.If 14 August is a Thursday, what day of the week is 30 August? (a) Sunday (b) Saturday (c) Friday (d) Monday
27. 27.If 14 July is a Wednesday, what day of the week is 27 July? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
28. 28.Today is Sunday. What day of the week will it be after 18 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
29. 29.If 10 May is a Tuesday, what day of the week is 24 May? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
30. 30.Today is Thursday. What day of the week will it be after 60 days? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
31. 31.If 23 July is a Tuesday, what day of the week is 12 August? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
32. 32.Today is Saturday. What day of the week will it be after 20 days? (a) Thursday (b) Saturday (c) Friday (d) Sunday
33. 33.If 6 July is a Monday, what day of the week is 16 July? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
34. 34.Today is Monday. What day of the week will it be after 12 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
35. 35.If 12 March is a Wednesday, what day of the week is 20 March? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
36. 36.If 12 January is a Thursday, what day of the week is 21 January? (a) Monday (b) Friday (c) Sunday (d) Saturday
37. 37.If 13 December is a Saturday, what day of the week is 21 December? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
38. 38.If 23 September is a Wednesday, what day of the week is 4 October? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
39. 39.If 4 December is a Sunday, what day of the week is 13 December? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
40. 40.If 2 May is a Tuesday, what day of the week is 10 May? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday

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