Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 885 · 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 15 May is a Monday, what day of the week is 25 May? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
2. 2.If 23 April is a Thursday, what day of the week is 6 May? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
3. 3.If 7 March is a Thursday, what day of the week is 16 March? (a) Friday (b) Saturday (c) Sunday (d) Monday
4. 4.Today is Thursday. What day of the week will it be after 67 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
5. 5.Today is Monday. What day of the week will it be after 74 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
6. 6.If 12 September is a Wednesday, what day of the week is 5 October? (a) Thursday (b) Saturday (c) Friday (d) Sunday
7. 7.If 15 April is a Monday, what day of the week is 5 May? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
8. 8.If 15 May is a Monday, what day of the week is 31 May? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
9. 9.If 12 October is a Sunday, what day of the week is 21 October? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
10. 10.If 9 May is a Thursday, what day of the week is 25 May? (a) Sunday (b) Monday (c) Friday (d) Saturday
11. 11.If 10 December is a Sunday, what day of the week is 18 December? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
12. 12.If 14 August is a Wednesday, what day of the week is 10 September? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
13. 13.If 31 October is a Sunday, what day of the week is 1 November? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
14. 14.If 18 August is a Sunday, what day of the week is 11 September? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
15. 15.If 26 April is a Thursday, what day of the week is 8 May? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
16. 16.If 13 May is a Sunday, what day of the week is 28 May? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
17. 17.If 6 October is a Friday, what day of the week is 15 October? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
18. 18.Today is Monday. What day of the week will it be after 18 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
19. 19.If 23 January is a Friday, what day of the week is 14 February? (a) Monday (b) Saturday (c) Friday (d) Sunday
20. 20.If 26 April is a Saturday, what day of the week is 1 May? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
21. 21.Today is Friday. What day of the week will it be after 99 days? (a) Saturday (b) Friday (c) Monday (d) Sunday
22. 22.If 2 December is a Wednesday, what day of the week is 13 December? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
23. 23.If 12 June is a Wednesday, what day of the week is 16 July? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
24. 24.If 4 May is a Saturday, what day of the week is 13 May? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
25. 25.If 8 January is a Wednesday, what day of the week is 20 January? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
26. 26.If 13 December is a Sunday, what day of the week is 25 December? (a) Friday (b) Thursday (c) Saturday (d) Sunday
27. 27.If 4 May is a Saturday, what day of the week is 16 May? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
28. 28.If 6 August is a Saturday, what day of the week is 14 August? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
29. 29.If 14 December is a Saturday, what day of the week is 30 December? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
30. 30.If 15 March is a Saturday, what day of the week is 4 April? (a) Thursday (b) Friday (c) Sunday (d) Saturday
31. 31.If 28 January is a Wednesday, what day of the week is 6 February? (a) Thursday (b) Sunday (c) Saturday (d) Friday
32. 32.Today is Thursday. What day of the week will it be after 98 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
33. 33.Today is Friday. What day of the week will it be after 10 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
34. 34.Today is Monday. What day of the week will it be after 100 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
35. 35.Today is Saturday. What day of the week will it be after 27 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
36. 36.If 30 January is a Sunday, what day of the week is 1 February? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
37. 37.If 4 March is a Thursday, what day of the week is 19 March? (a) Saturday (b) Thursday (c) Sunday (d) Friday
38. 38.Today is Thursday. What day of the week will it be after 60 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
39. 39.If 3 May is a Sunday, what day of the week is 17 May? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
40. 40.If 23 January is a Monday, what day of the week is 15 February? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday

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