Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 178 · 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 38 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
2. 2.If 17 July is a Thursday, what day of the week is 7 August? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
3. 3.If 13 June is a Wednesday, what day of the week is 10 July? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
4. 4.If 23 November is a Thursday, what day of the week is 13 December? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
5. 5.If 22 August is a Saturday, what day of the week is 3 September? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
6. 6.Today is Sunday. What day of the week will it be after 87 days? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
7. 7.If 15 September is a Wednesday, what day of the week is 4 October? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
8. 8.If 20 September is a Saturday, what day of the week is 17 October? (a) Saturday (b) Sunday (c) Friday (d) Thursday
9. 9.Today is Saturday. What day of the week will it be after 83 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
10. 10.If 20 April is a Monday, what day of the week is 12 May? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
11. 11.Today is Sunday. What day of the week will it be after 50 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
12. 12.If 24 June is a Saturday, what day of the week is 2 July? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
13. 13.If 4 January is a Thursday, what day of the week is 12 January? (a) Saturday (b) Friday (c) Thursday (d) Sunday
14. 14.Today is Monday. What day of the week will it be after 70 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
15. 15.If 11 June is a Thursday, what day of the week is 3 July? (a) Sunday (b) Friday (c) Saturday (d) Thursday
16. 16.If 3 July is a Monday, what day of the week is 12 July? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
17. 17.If 10 July is a Saturday, what day of the week is 24 July? (a) Sunday (b) Monday (c) Saturday (d) Friday
18. 18.If 22 January is a Sunday, what day of the week is 17 February? (a) Thursday (b) Friday (c) Saturday (d) Sunday
19. 19.If 1 March is a Monday, what day of the week is 14 March? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
20. 20.If 13 December is a Saturday, what day of the week is 21 December? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
21. 21.Today is Sunday. What day of the week will it be after 95 days? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
22. 22.If 15 January is a Saturday, what day of the week is 28 January? (a) Thursday (b) Sunday (c) Saturday (d) Friday
23. 23.If 16 March is a Sunday, what day of the week is 3 April? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
24. 24.If 15 March is a Thursday, what day of the week is 15 April? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
25. 25.Today is Thursday. What day of the week will it be after 94 days? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
26. 26.If 13 September is a Thursday, what day of the week is 16 October? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
27. 27.If 14 October is a Thursday, what day of the week is 22 October? (a) Saturday (b) Friday (c) Thursday (d) Sunday
28. 28.If 27 October is a Tuesday, what day of the week is 2 November? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
29. 29.If 28 April is a Tuesday, what day of the week is 2 May? (a) Friday (b) Saturday (c) Monday (d) Sunday
30. 30.Today is Tuesday. What day of the week will it be after 62 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
31. 31.If 1 October is a Friday, what day of the week is 14 October? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
32. 32.If 14 March is a Monday, what day of the week is 29 March? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
33. 33.If 30 May is a Sunday, what day of the week is 16 June? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
34. 34.If 13 March is a Monday, what day of the week is 21 March? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
35. 35.Today is Saturday. What day of the week will it be after 63 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
36. 36.Today is Sunday. What day of the week will it be after 58 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
37. 37.Today is Thursday. What day of the week will it be after 30 days? (a) Saturday (b) Sunday (c) Friday (d) Monday
38. 38.If 11 August is a Friday, what day of the week is 25 August? (a) Friday (b) Thursday (c) Sunday (d) Saturday
39. 39.If 4 August is a Thursday, what day of the week is 13 August? (a) Monday (b) Saturday (c) Sunday (d) Friday
40. 40.If 3 August is a Monday, what day of the week is 12 August? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday

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