Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 10 · 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 8 July is a Saturday, what day of the week is 19 July? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
2. 2.Today is Wednesday. What day of the week will it be after 44 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
3. 3.If 12 October is a Thursday, what day of the week is 7 November? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
4. 4.If 15 December is a Friday, what day of the week is 31 December? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
5. 5.If 10 July is a Tuesday, what day of the week is 18 July? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
6. 6.If 6 March is a Sunday, what day of the week is 20 March? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
7. 7.If 1 July is a Thursday, what day of the week is 12 July? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
8. 8.If 4 December is a Sunday, what day of the week is 12 December? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
9. 9.If 3 December is a Tuesday, what day of the week is 13 December? (a) Sunday (b) Saturday (c) Friday (d) Thursday
10. 10.Today is Wednesday. What day of the week will it be after 75 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
11. 11.Today is Thursday. What day of the week will it be after 54 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
12. 12.If 10 March is a Sunday, what day of the week is 5 April? (a) Thursday (b) Sunday (c) Friday (d) Saturday
13. 13.Today is Monday. What day of the week will it be after 33 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
14. 14.Today is Tuesday. What day of the week will it be after 24 days? (a) Sunday (b) Saturday (c) Thursday (d) Friday
15. 15.If 12 June is a Friday, what day of the week is 3 July? (a) Thursday (b) Friday (c) Saturday (d) Sunday
16. 16.If 7 July is a Wednesday, what day of the week is 18 July? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
17. 17.If 16 May is a Monday, what day of the week is 13 June? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
18. 18.Today is Tuesday. What day of the week will it be after 12 days? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
19. 19.If 12 September is a Wednesday, what day of the week is 19 October? (a) Sunday (b) Friday (c) Saturday (d) Thursday
20. 20.Today is Saturday. What day of the week will it be after 10 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
21. 21.If 12 October is a Saturday, what day of the week is 23 October? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
22. 22.Today is Tuesday. What day of the week will it be after 64 days? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
23. 23.If 12 September is a Monday, what day of the week is 17 October? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
24. 24.If 13 October is a Monday, what day of the week is 9 November? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
25. 25.If 25 January is a Friday, what day of the week is 1 February? (a) Friday (b) Saturday (c) Thursday (d) Sunday
26. 26.If 20 January is a Thursday, what day of the week is 5 February? (a) Sunday (b) Saturday (c) Monday (d) Friday
27. 27.Today is Saturday. What day of the week will it be after 26 days? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
28. 28.If 12 January is a Sunday, what day of the week is 3 February? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
29. 29.Today is Thursday. What day of the week will it be after 89 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
30. 30.If 15 July is a Saturday, what day of the week is 27 July? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
31. 31.Today is Wednesday. What day of the week will it be after 42 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
32. 32.Today is Tuesday. What day of the week will it be after 67 days? (a) Saturday (b) Friday (c) Sunday (d) Monday
33. 33.If 13 July is a Wednesday, what day of the week is 29 July? (a) Saturday (b) Thursday (c) Sunday (d) Friday
34. 34.If 8 October is a Monday, what day of the week is 16 October? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
35. 35.If 5 August is a Monday, what day of the week is 15 August? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
36. 36.If 11 November is a Wednesday, what day of the week is 19 December? (a) Saturday (b) Monday (c) Sunday (d) Friday
37. 37.If 6 March is a Tuesday, what day of the week is 18 March? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
38. 38.If 9 March is a Saturday, what day of the week is 17 March? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
39. 39.If 1 July is a Sunday, what day of the week is 9 July? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
40. 40.Today is Friday. What day of the week will it be after 98 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday

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