Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 764 · 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.Today is Tuesday. What day of the week will it be after 21 days? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
2. 2.Today is Saturday. What day of the week will it be after 99 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
3. 3.If 2 December is a Tuesday, what day of the week is 13 December? (a) Saturday (b) Sunday (c) Monday (d) Friday
4. 4.If 10 August is a Sunday, what day of the week is 22 August? (a) Thursday (b) Friday (c) Sunday (d) Saturday
5. 5.Today is Monday. What day of the week will it be after 77 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
6. 6.If 21 March is a Monday, what day of the week is 3 April? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
7. 7.Today is Saturday. What day of the week will it be after 17 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
8. 8.If 19 May is a Sunday, what day of the week is 15 June? (a) Sunday (b) Saturday (c) Friday (d) Monday
9. 9.If 4 January is a Sunday, what day of the week is 18 January? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
10. 10.If 2 August is a Friday, what day of the week is 13 August? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
11. 11.If 30 October is a Sunday, what day of the week is 19 November? (a) Saturday (b) Monday (c) Friday (d) Sunday
12. 12.Today is Thursday. What day of the week will it be after 66 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
13. 13.Today is Sunday. What day of the week will it be after 65 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
14. 14.If 19 September is a Sunday, what day of the week is 7 October? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
15. 15.If 3 March is a Wednesday, what day of the week is 18 March? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
16. 16.If 11 May is a Friday, what day of the week is 19 May? (a) Saturday (b) Monday (c) Friday (d) Sunday
17. 17.If 14 September is a Thursday, what day of the week is 18 October? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
18. 18.Today is Monday. What day of the week will it be after 49 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
19. 19.If 25 November is a Wednesday, what day of the week is 3 December? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
20. 20.If 13 April is a Thursday, what day of the week is 15 May? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
21. 21.If 24 September is a Wednesday, what day of the week is 10 October? (a) Saturday (b) Sunday (c) Friday (d) Thursday
22. 22.If 15 January is a Friday, what day of the week is 27 January? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
23. 23.If 22 July is a Tuesday, what day of the week is 3 August? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
24. 24.If 8 August is a Wednesday, what day of the week is 16 August? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
25. 25.If 14 May is a Tuesday, what day of the week is 1 June? (a) Sunday (b) Friday (c) Monday (d) Saturday
26. 26.If 2 January is a Thursday, what day of the week is 13 January? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
27. 27.Today is Wednesday. What day of the week will it be after 24 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
28. 28.Today is Saturday. What day of the week will it be after 32 days? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
29. 29.If 22 April is a Saturday, what day of the week is 6 May? (a) Saturday (b) Friday (c) Sunday (d) Monday
30. 30.If 21 April is a Monday, what day of the week is 11 May? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
31. 31.If 14 March is a Friday, what day of the week is 25 March? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
32. 32.Today is Wednesday. What day of the week will it be after 36 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
33. 33.If 19 May is a Tuesday, what day of the week is 1 June? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
34. 34.If 10 July is a Monday, what day of the week is 12 August? (a) Monday (b) Sunday (c) Friday (d) Saturday
35. 35.If 30 July is a Wednesday, what day of the week is 6 August? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
36. 36.Today is Monday. What day of the week will it be after 17 days? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
37. 37.Today is Friday. What day of the week will it be after 70 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
38. 38.If 8 August is a Saturday, what day of the week is 23 August? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
39. 39.Today is Saturday. What day of the week will it be after 24 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
40. 40.If 10 March is a Sunday, what day of the week is 18 April? (a) Thursday (b) Saturday (c) Wednesday (d) Friday

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