Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 680 · 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 1 October is a Friday, what day of the week is 15 October? (a) Friday (b) Sunday (c) Thursday (d) Saturday
2. 2.If 4 October is a Wednesday, what day of the week is 18 October? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
3. 3.Today is Wednesday. What day of the week will it be after 65 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
4. 4.If 11 March is a Monday, what day of the week is 4 April? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
5. 5.Today is Sunday. What day of the week will it be after 35 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
6. 6.If 13 October is a Sunday, what day of the week is 21 October? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
7. 7.If 27 July is a Tuesday, what day of the week is 2 August? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
8. 8.If 30 May is a Saturday, what day of the week is 5 June? (a) Friday (b) Sunday (c) Thursday (d) Saturday
9. 9.If 10 June is a Wednesday, what day of the week is 6 July? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
10. 10.If 14 January is a Monday, what day of the week is 23 January? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
11. 11.If 6 March is a Thursday, what day of the week is 19 March? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
12. 12.Today is Monday. What day of the week will it be after 96 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
13. 13.If 1 July is a Monday, what day of the week is 15 July? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
14. 14.Today is Tuesday. What day of the week will it be after 49 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
15. 15.Today is Sunday. What day of the week will it be after 49 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
16. 16.Today is Wednesday. What day of the week will it be after 19 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
17. 17.If 15 July is a Tuesday, what day of the week is 20 August? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
18. 18.If 19 August is a Sunday, what day of the week is 20 September? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
19. 19.Today is Thursday. What day of the week will it be after 21 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
20. 20.Today is Wednesday. What day of the week will it be after 25 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
21. 21.If 22 April is a Wednesday, what day of the week is 8 May? (a) Friday (b) Thursday (c) Saturday (d) Sunday
22. 22.If 18 March is a Wednesday, what day of the week is 4 April? (a) Monday (b) Saturday (c) Sunday (d) Friday
23. 23.If 19 July is a Thursday, what day of the week is 3 August? (a) Friday (b) Thursday (c) Saturday (d) Sunday
24. 24.Today is Sunday. What day of the week will it be after 75 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
25. 25.If 15 December is a Thursday, what day of the week is 30 December? (a) Sunday (b) Friday (c) Thursday (d) Saturday
26. 26.If 27 May is a Tuesday, what day of the week is 1 June? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
27. 27.Today is Sunday. What day of the week will it be after 11 days? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
28. 28.If 28 May is a Thursday, what day of the week is 20 June? (a) Sunday (b) Friday (c) Saturday (d) Monday
29. 29.Today is Friday. What day of the week will it be after 15 days? (a) Monday (b) Sunday (c) Friday (d) Saturday
30. 30.If 3 August is a Friday, what day of the week is 12 August? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
31. 31.If 13 January is a Thursday, what day of the week is 17 February? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
32. 32.Today is Wednesday. What day of the week will it be after 31 days? (a) Saturday (b) Friday (c) Sunday (d) Monday
33. 33.If 12 January is a Friday, what day of the week is 25 January? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
34. 34.If 14 March is a Sunday, what day of the week is 25 March? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
35. 35.Today is Thursday. What day of the week will it be after 72 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
36. 36.If 4 August is a Tuesday, what day of the week is 19 August? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
37. 37.If 3 December is a Thursday, what day of the week is 12 December? (a) Sunday (b) Friday (c) Saturday (d) Monday
38. 38.If 11 May is a Tuesday, what day of the week is 23 May? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
39. 39.If 1 July is a Friday, what day of the week is 16 July? (a) Monday (b) Sunday (c) Friday (d) Saturday
40. 40.Today is Thursday. What day of the week will it be after 96 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday

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