Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 145 · 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 4 October is a Monday, what day of the week is 15 October? (a) Saturday (b) Sunday (c) Thursday (d) Friday
2. 2.Today is Friday. What day of the week will it be after 97 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
3. 3.If 15 July is a Monday, what day of the week is 2 August? (a) Sunday (b) Saturday (c) Friday (d) Thursday
4. 4.If 10 March is a Tuesday, what day of the week is 18 April? (a) Saturday (b) Sunday (c) Friday (d) Monday
5. 5.If 15 January is a Sunday, what day of the week is 28 January? (a) Monday (b) Sunday (c) Friday (d) Saturday
6. 6.Today is Wednesday. What day of the week will it be after 56 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
7. 7.If 17 July is a Friday, what day of the week is 4 August? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
8. 8.If 2 March is a Sunday, what day of the week is 17 March? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
9. 9.Today is Saturday. What day of the week will it be after 36 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
10. 10.Today is Thursday. What day of the week will it be after 97 days? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
11. 11.Today is Tuesday. What day of the week will it be after 65 days? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
12. 12.If 15 October is a Saturday, what day of the week is 1 November? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
13. 13.If 8 July is a Sunday, what day of the week is 23 July? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
14. 14.If 11 July is a Friday, what day of the week is 26 July? (a) Friday (b) Monday (c) Sunday (d) Saturday
15. 15.If 11 January is a Friday, what day of the week is 11 February? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
16. 16.Today is Wednesday. What day of the week will it be after 92 days? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
17. 17.Today is Sunday. What day of the week will it be after 86 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
18. 18.Today is Saturday. What day of the week will it be after 98 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
19. 19.If 3 May is a Monday, what day of the week is 11 May? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
20. 20.If 12 July is a Saturday, what day of the week is 26 July? (a) Saturday (b) Monday (c) Sunday (d) Friday
21. 21.If 26 September is a Monday, what day of the week is 12 October? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
22. 22.Today is Saturday. What day of the week will it be after 55 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
23. 23.If 12 March is a Wednesday, what day of the week is 24 March? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
24. 24.Today is Monday. What day of the week will it be after 33 days? (a) Friday (b) Saturday (c) Sunday (d) Monday
25. 25.If 19 August is a Monday, what day of the week is 1 September? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
26. 26.Today is Wednesday. What day of the week will it be after 26 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
27. 27.If 11 November is a Saturday, what day of the week is 15 December? (a) Saturday (b) Thursday (c) Sunday (d) Friday
28. 28.If 15 October is a Monday, what day of the week is 24 October? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
29. 29.Today is Monday. What day of the week will it be after 69 days? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
30. 30.If 5 July is a Monday, what day of the week is 13 July? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
31. 31.If 15 August is a Friday, what day of the week is 25 August? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
32. 32.Today is Saturday. What day of the week will it be after 87 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
33. 33.Today is Tuesday. What day of the week will it be after 27 days? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
34. 34.If 10 May is a Sunday, what day of the week is 23 May? (a) Saturday (b) Monday (c) Friday (d) Sunday
35. 35.If 6 August is a Tuesday, what day of the week is 14 August? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
36. 36.If 30 January is a Tuesday, what day of the week is 11 February? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
37. 37.If 13 October is a Sunday, what day of the week is 25 October? (a) Friday (b) Saturday (c) Sunday (d) Thursday
38. 38.If 15 October is a Sunday, what day of the week is 25 October? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
39. 39.Today is Friday. What day of the week will it be after 78 days? (a) Saturday (b) Sunday (c) Friday (d) Monday
40. 40.If 5 December is a Monday, what day of the week is 20 December? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday

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