Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 606 · 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 11 April is a Saturday, what day of the week is 1 May? (a) Saturday (b) Sunday (c) Friday (d) Thursday
2. 2.If 9 December is a Wednesday, what day of the week is 20 December? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
3. 3.Today is Saturday. What day of the week will it be after 50 days? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
4. 4.If 12 August is a Friday, what day of the week is 25 August? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
5. 5.If 20 July is a Tuesday, what day of the week is 3 August? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
6. 6.Today is Saturday. What day of the week will it be after 15 days? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
7. 7.If 10 March is a Monday, what day of the week is 18 March? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
8. 8.If 6 January is a Friday, what day of the week is 17 January? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
9. 9.If 7 March is a Monday, what day of the week is 20 March? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
10. 10.Today is Wednesday. What day of the week will it be after 34 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
11. 11.If 13 September is a Sunday, what day of the week is 3 October? (a) Sunday (b) Friday (c) Monday (d) Saturday
12. 12.If 2 October is a Wednesday, what day of the week is 13 October? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
13. 13.If 13 October is a Saturday, what day of the week is 27 October? (a) Friday (b) Sunday (c) Monday (d) Saturday
14. 14.Today is Wednesday. What day of the week will it be after 97 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
15. 15.If 19 January is a Tuesday, what day of the week is 17 February? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
16. 16.If 26 July is a Wednesday, what day of the week is 13 August? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
17. 17.If 14 January is a Thursday, what day of the week is 16 February? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
18. 18.If 8 May is a Sunday, what day of the week is 20 May? (a) Sunday (b) Saturday (c) Friday (d) Thursday
19. 19.If 28 September is a Monday, what day of the week is 8 October? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
20. 20.Today is Monday. What day of the week will it be after 35 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
21. 21.If 7 January is a Monday, what day of the week is 17 January? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
22. 22.If 29 August is a Wednesday, what day of the week is 8 September? (a) Saturday (b) Sunday (c) Friday (d) Monday
23. 23.If 10 July is a Saturday, what day of the week is 20 July? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
24. 24.If 13 September is a Tuesday, what day of the week is 5 October? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
25. 25.If 31 July is a Saturday, what day of the week is 10 August? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
26. 26.If 14 October is a Friday, what day of the week is 23 October? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
27. 27.If 1 August is a Monday, what day of the week is 10 August? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
28. 28.Today is Monday. What day of the week will it be after 48 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
29. 29.If 21 August is a Thursday, what day of the week is 12 September? (a) Sunday (b) Friday (c) Saturday (d) Thursday
30. 30.Today is Wednesday. What day of the week will it be after 61 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
31. 31.If 26 September is a Saturday, what day of the week is 5 October? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
32. 32.If 6 March is a Friday, what day of the week is 18 March? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
33. 33.If 11 November is a Thursday, what day of the week is 4 December? (a) Monday (b) Sunday (c) Saturday (d) Friday
34. 34.If 6 May is a Monday, what day of the week is 15 May? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
35. 35.If 20 June is a Friday, what day of the week is 1 July? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
36. 36.If 12 January is a Tuesday, what day of the week is 4 February? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
37. 37.If 1 March is a Thursday, what day of the week is 14 March? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
38. 38.Today is Tuesday. What day of the week will it be after 22 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
39. 39.If 13 December is a Saturday, what day of the week is 28 December? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
40. 40.If 18 August is a Saturday, what day of the week is 11 September? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday

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