Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 700 · 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 20 September is a Monday, what day of the week is 1 October? (a) Saturday (b) Thursday (c) Sunday (d) Friday
2. 2.If 1 October is a Friday, what day of the week is 15 October? (a) Sunday (b) Friday (c) Saturday (d) Thursday
3. 3.Today is Tuesday. What day of the week will it be after 99 days? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
4. 4.If 15 January is a Friday, what day of the week is 14 February? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
5. 5.If 3 January is a Friday, what day of the week is 15 January? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
6. 6.If 15 December is a Wednesday, what day of the week is 24 December? (a) Friday (b) Saturday (c) Thursday (d) Sunday
7. 7.Today is Thursday. What day of the week will it be after 66 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
8. 8.If 22 April is a Monday, what day of the week is 14 May? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
9. 9.If 3 August is a Wednesday, what day of the week is 19 August? (a) Friday (b) Saturday (c) Thursday (d) Sunday
10. 10.Today is Wednesday. What day of the week will it be after 70 days? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
11. 11.Today is Friday. What day of the week will it be after 21 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
12. 12.If 27 January is a Saturday, what day of the week is 13 February? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
13. 13.If 10 April is a Sunday, what day of the week is 15 May? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
14. 14.Today is Wednesday. What day of the week will it be after 20 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
15. 15.If 26 August is a Wednesday, what day of the week is 15 September? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
16. 16.If 20 November is a Friday, what day of the week is 1 December? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
17. 17.If 22 January is a Sunday, what day of the week is 18 February? (a) Sunday (b) Saturday (c) Friday (d) Monday
18. 18.Today is Tuesday. What day of the week will it be after 67 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
19. 19.If 11 December is a Wednesday, what day of the week is 24 December? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
20. 20.If 10 March is a Tuesday, what day of the week is 18 April? (a) Monday (b) Friday (c) Sunday (d) Saturday
21. 21.Today is Sunday. What day of the week will it be after 39 days? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
22. 22.If 9 March is a Sunday, what day of the week is 21 March? (a) Thursday (b) Friday (c) Sunday (d) Saturday
23. 23.If 17 June is a Thursday, what day of the week is 11 July? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
24. 24.If 15 October is a Sunday, what day of the week is 25 October? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
25. 25.If 15 April is a Thursday, what day of the week is 11 May? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
26. 26.Today is Monday. What day of the week will it be after 40 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
27. 27.Today is Monday. What day of the week will it be after 10 days? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
28. 28.If 10 September is a Monday, what day of the week is 9 October? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
29. 29.Today is Monday. What day of the week will it be after 88 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
30. 30.Today is Wednesday. What day of the week will it be after 75 days? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
31. 31.If 20 April is a Wednesday, what day of the week is 8 May? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
32. 32.Today is Sunday. What day of the week will it be after 57 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
33. 33.If 1 July is a Sunday, what day of the week is 10 July? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
34. 34.Today is Sunday. What day of the week will it be after 20 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
35. 35.If 4 January is a Sunday, what day of the week is 16 January? (a) Thursday (b) Sunday (c) Saturday (d) Friday
36. 36.If 13 September is a Monday, what day of the week is 5 October? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
37. 37.If 27 September is a Monday, what day of the week is 2 October? (a) Friday (b) Monday (c) Saturday (d) Sunday
38. 38.Today is Thursday. What day of the week will it be after 20 days? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
39. 39.If 15 March is a Wednesday, what day of the week is 26 March? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
40. 40.If 15 August is a Monday, what day of the week is 23 August? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday

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