Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 909 · 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 Sunday. What day of the week will it be after 80 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
2. 2.Today is Monday. What day of the week will it be after 61 days? (a) Saturday (b) Friday (c) Sunday (d) Monday
3. 3.If 9 March is a Thursday, what day of the week is 22 March? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
4. 4.If 7 July is a Monday, what day of the week is 22 July? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
5. 5.If 23 November is a Tuesday, what day of the week is 6 December? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
6. 6.If 7 May is a Friday, what day of the week is 22 May? (a) Monday (b) Sunday (c) Saturday (d) Friday
7. 7.If 8 August is a Wednesday, what day of the week is 20 August? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
8. 8.If 19 April is a Friday, what day of the week is 9 May? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
9. 9.If 17 June is a Thursday, what day of the week is 13 July? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
10. 10.Today is Tuesday. What day of the week will it be after 90 days? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
11. 11.If 7 July is a Monday, what day of the week is 18 July? (a) Saturday (b) Thursday (c) Friday (d) Sunday
12. 12.If 15 August is a Monday, what day of the week is 24 August? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
13. 13.If 25 October is a Wednesday, what day of the week is 12 November? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
14. 14.If 14 January is a Monday, what day of the week is 16 February? (a) Sunday (b) Monday (c) Saturday (d) Friday
15. 15.If 3 October is a Sunday, what day of the week is 19 October? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
16. 16.If 12 March is a Saturday, what day of the week is 26 March? (a) Sunday (b) Saturday (c) Friday (d) Monday
17. 17.Today is Friday. What day of the week will it be after 29 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
18. 18.If 1 May is a Tuesday, what day of the week is 11 May? (a) Sunday (b) Saturday (c) Thursday (d) Friday
19. 19.Today is Saturday. What day of the week will it be after 62 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
20. 20.If 14 June is a Wednesday, what day of the week is 1 July? (a) Friday (b) Saturday (c) Monday (d) Sunday
21. 21.If 28 March is a Sunday, what day of the week is 4 April? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
22. 22.If 16 November is a Monday, what day of the week is 7 December? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
23. 23.Today is Saturday. What day of the week will it be after 55 days? (a) Thursday (b) Saturday (c) Friday (d) Sunday
24. 24.Today is Monday. What day of the week will it be after 32 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
25. 25.If 3 May is a Wednesday, what day of the week is 15 May? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
26. 26.If 5 December is a Saturday, what day of the week is 18 December? (a) Thursday (b) Saturday (c) Sunday (d) Friday
27. 27.If 11 August is a Friday, what day of the week is 10 September? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
28. 28.Today is Tuesday. What day of the week will it be after 44 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
29. 29.Today is Monday. What day of the week will it be after 69 days? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
30. 30.If 7 October is a Sunday, what day of the week is 19 October? (a) Sunday (b) Saturday (c) Friday (d) Thursday
31. 31.If 25 September is a Friday, what day of the week is 2 October? (a) Sunday (b) Saturday (c) Friday (d) Thursday
32. 32.Today is Wednesday. What day of the week will it be after 12 days? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
33. 33.If 1 August is a Tuesday, what day of the week is 15 August? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
34. 34.If 9 December is a Wednesday, what day of the week is 18 December? (a) Thursday (b) Saturday (c) Sunday (d) Friday
35. 35.Today is Wednesday. What day of the week will it be after 30 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
36. 36.If 15 July is a Monday, what day of the week is 4 August? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
37. 37.If 23 March is a Thursday, what day of the week is 11 April? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
38. 38.Today is Thursday. What day of the week will it be after 78 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
39. 39.If 31 January is a Friday, what day of the week is 4 February? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
40. 40.If 15 September is a Wednesday, what day of the week is 9 October? (a) Monday (b) Friday (c) Sunday (d) Saturday

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