Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 615 · 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 Sunday. What day of the week will it be after 54 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
2. 2.If 13 July is a Sunday, what day of the week is 22 July? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
3. 3.If 11 September is a Thursday, what day of the week is 7 October? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
4. 4.Today is Saturday. What day of the week will it be after 65 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
5. 5.Today is Saturday. What day of the week will it be after 22 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
6. 6.If 6 July is a Tuesday, what day of the week is 18 July? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
7. 7.Today is Wednesday. What day of the week will it be after 30 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
8. 8.If 5 August is a Wednesday, what day of the week is 13 August? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
9. 9.If 10 July is a Saturday, what day of the week is 25 July? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
10. 10.If 21 June is a Saturday, what day of the week is 1 July? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
11. 11.If 15 July is a Wednesday, what day of the week is 24 July? (a) Friday (b) Sunday (c) Saturday (d) Thursday
12. 12.If 20 May is a Monday, what day of the week is 19 June? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
13. 13.If 1 July is a Saturday, what day of the week is 13 July? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
14. 14.Today is Friday. What day of the week will it be after 47 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
15. 15.If 13 January is a Thursday, what day of the week is 24 January? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
16. 16.If 20 July is a Thursday, what day of the week is 20 August? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
17. 17.If 27 October is a Thursday, what day of the week is 2 November? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
18. 18.If 5 October is a Wednesday, what day of the week is 13 October? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
19. 19.Today is Friday. What day of the week will it be after 16 days? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
20. 20.If 31 July is a Tuesday, what day of the week is 3 August? (a) Friday (b) Thursday (c) Saturday (d) Sunday
21. 21.If 17 April is a Wednesday, what day of the week is 4 May? (a) Friday (b) Monday (c) Sunday (d) Saturday
22. 22.If 10 October is a Saturday, what day of the week is 21 October? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
23. 23.If 27 November is a Wednesday, what day of the week is 20 December? (a) Saturday (b) Sunday (c) Thursday (d) Friday
24. 24.If 10 November is a Friday, what day of the week is 18 December? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
25. 25.If 22 November is a Wednesday, what day of the week is 4 December? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
26. 26.If 4 May is a Thursday, what day of the week is 15 May? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
27. 27.If 1 July is a Wednesday, what day of the week is 13 July? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
28. 28.Today is Tuesday. What day of the week will it be after 78 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
29. 29.If 1 March is a Thursday, what day of the week is 17 March? (a) Sunday (b) Saturday (c) Monday (d) Friday
30. 30.Today is Friday. What day of the week will it be after 64 days? (a) Friday (b) Sunday (c) Monday (d) Saturday
31. 31.If 16 September is a Thursday, what day of the week is 1 October? (a) Thursday (b) Sunday (c) Friday (d) Saturday
32. 32.Today is Tuesday. What day of the week will it be after 21 days? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
33. 33.If 10 March is a Wednesday, what day of the week is 21 March? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
34. 34.Today is Saturday. What day of the week will it be after 26 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
35. 35.If 30 June is a Sunday, what day of the week is 5 July? (a) Friday (b) Saturday (c) Sunday (d) Thursday
36. 36.If 7 August is a Sunday, what day of the week is 16 August? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
37. 37.If 15 March is a Tuesday, what day of the week is 30 March? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
38. 38.Today is Thursday. What day of the week will it be after 61 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
39. 39.If 29 April is a Monday, what day of the week is 19 May? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
40. 40.If 7 May is a Friday, what day of the week is 15 May? (a) Monday (b) Sunday (c) Saturday (d) Friday

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