Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 378 · 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 10 August is a Thursday, what day of the week is 1 September? (a) Sunday (b) Thursday (c) Friday (d) Saturday
2. 2.If 24 July is a Thursday, what day of the week is 14 August? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
3. 3.Today is Thursday. What day of the week will it be after 88 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
4. 4.If 14 March is a Sunday, what day of the week is 14 April? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
5. 5.If 13 December is a Friday, what day of the week is 27 December? (a) Saturday (b) Sunday (c) Thursday (d) Friday
6. 6.If 4 December is a Thursday, what day of the week is 16 December? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
7. 7.If 27 November is a Monday, what day of the week is 15 December? (a) Sunday (b) Friday (c) Saturday (d) Thursday
8. 8.Today is Friday. What day of the week will it be after 66 days? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
9. 9.If 12 July is a Thursday, what day of the week is 14 August? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
10. 10.Today is Tuesday. What day of the week will it be after 96 days? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
11. 11.If 3 January is a Monday, what day of the week is 11 January? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
12. 12.Today is Monday. What day of the week will it be after 11 days? (a) Friday (b) Thursday (c) Sunday (d) Saturday
13. 13.If 16 July is a Monday, what day of the week is 5 August? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
14. 14.If 13 January is a Wednesday, what day of the week is 14 February? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
15. 15.If 5 July is a Sunday, what day of the week is 17 July? (a) Saturday (b) Thursday (c) Sunday (d) Friday
16. 16.If 7 March is a Monday, what day of the week is 20 March? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
17. 17.Today is Tuesday. What day of the week will it be after 69 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
18. 18.Today is Tuesday. What day of the week will it be after 61 days? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
19. 19.If 15 January is a Tuesday, what day of the week is 24 January? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
20. 20.If 7 January is a Monday, what day of the week is 18 January? (a) Thursday (b) Friday (c) Saturday (d) Sunday
21. 21.If 15 August is a Monday, what day of the week is 13 September? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
22. 22.If 18 March is a Friday, what day of the week is 2 April? (a) Friday (b) Monday (c) Saturday (d) Sunday
23. 23.If 8 December is a Friday, what day of the week is 24 December? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
24. 24.Today is Tuesday. What day of the week will it be after 80 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
25. 25.If 14 January is a Saturday, what day of the week is 26 January? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
26. 26.If 31 July is a Saturday, what day of the week is 3 August? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
27. 27.If 27 September is a Saturday, what day of the week is 9 October? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
28. 28.If 6 March is a Monday, what day of the week is 14 March? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
29. 29.Today is Wednesday. What day of the week will it be after 78 days? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
30. 30.If 14 August is a Friday, what day of the week is 27 August? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
31. 31.If 6 January is a Friday, what day of the week is 14 January? (a) Sunday (b) Monday (c) Friday (d) Saturday
32. 32.Today is Friday. What day of the week will it be after 23 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
33. 33.If 26 September is a Tuesday, what day of the week is 3 October? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
34. 34.Today is Saturday. What day of the week will it be after 41 days? (a) Sunday (b) Saturday (c) Thursday (d) Friday
35. 35.If 13 December is a Saturday, what day of the week is 26 December? (a) Saturday (b) Thursday (c) Sunday (d) Friday
36. 36.Today is Monday. What day of the week will it be after 66 days? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
37. 37.Today is Saturday. What day of the week will it be after 19 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
38. 38.If 20 March is a Friday, what day of the week is 19 April? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
39. 39.Today is Tuesday. What day of the week will it be after 10 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
40. 40.If 12 January is a Monday, what day of the week is 23 January? (a) Saturday (b) Friday (c) Sunday (d) Thursday

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