Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 98 · 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 4 July is a Tuesday, what day of the week is 12 July? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
2. 2.If 28 April is a Friday, what day of the week is 18 May? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
3. 3.Today is Tuesday. What day of the week will it be after 86 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
4. 4.Today is Tuesday. What day of the week will it be after 31 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
5. 5.Today is Wednesday. What day of the week will it be after 56 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
6. 6.If 7 October is a Saturday, what day of the week is 17 October? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
7. 7.If 12 March is a Sunday, what day of the week is 27 March? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
8. 8.If 24 April is a Monday, what day of the week is 6 May? (a) Saturday (b) Monday (c) Sunday (d) Friday
9. 9.If 4 January is a Wednesday, what day of the week is 18 January? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
10. 10.If 14 July is a Wednesday, what day of the week is 17 August? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
11. 11.If 9 May is a Wednesday, what day of the week is 19 May? (a) Sunday (b) Friday (c) Saturday (d) Monday
12. 12.Today is Monday. What day of the week will it be after 75 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
13. 13.If 10 October is a Thursday, what day of the week is 26 October? (a) Sunday (b) Saturday (c) Friday (d) Monday
14. 14.Today is Tuesday. What day of the week will it be after 48 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
15. 15.If 4 July is a Wednesday, what day of the week is 18 July? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
16. 16.Today is Friday. What day of the week will it be after 100 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
17. 17.If 15 January is a Wednesday, what day of the week is 23 January? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
18. 18.If 7 July is a Sunday, what day of the week is 15 July? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
19. 19.If 13 April is a Tuesday, what day of the week is 6 May? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
20. 20.If 14 June is a Friday, what day of the week is 1 July? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
21. 21.Today is Sunday. What day of the week will it be after 17 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
22. 22.If 11 May is a Tuesday, what day of the week is 22 May? (a) Friday (b) Saturday (c) Sunday (d) Monday
23. 23.If 11 March is a Sunday, what day of the week is 16 April? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
24. 24.If 22 June is a Thursday, what day of the week is 5 July? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
25. 25.Today is Saturday. What day of the week will it be after 38 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
26. 26.Today is Tuesday. What day of the week will it be after 46 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
27. 27.Today is Saturday. What day of the week will it be after 81 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
28. 28.Today is Friday. What day of the week will it be after 55 days? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
29. 29.If 18 April is a Tuesday, what day of the week is 16 May? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
30. 30.If 1 May is a Monday, what day of the week is 9 May? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
31. 31.Today is Friday. What day of the week will it be after 71 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
32. 32.If 15 July is a Tuesday, what day of the week is 31 July? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
33. 33.Today is Tuesday. What day of the week will it be after 33 days? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
34. 34.If 11 August is a Tuesday, what day of the week is 27 August? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
35. 35.If 11 October is a Wednesday, what day of the week is 27 October? (a) Saturday (b) Sunday (c) Thursday (d) Friday
36. 36.If 30 May is a Tuesday, what day of the week is 14 June? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
37. 37.If 14 August is a Tuesday, what day of the week is 24 August? (a) Sunday (b) Friday (c) Saturday (d) Thursday
38. 38.If 10 May is a Wednesday, what day of the week is 26 May? (a) Saturday (b) Friday (c) Thursday (d) Sunday
39. 39.Today is Friday. What day of the week will it be after 96 days? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
40. 40.If 21 April is a Saturday, what day of the week is 20 May? (a) Tuesday (b) Saturday (c) Monday (d) Sunday

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