Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 5 · 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 2 August is a Tuesday, what day of the week is 14 August? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
2. 2.If 2 August is a Monday, what day of the week is 11 August? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
3. 3.If 10 May is a Monday, what day of the week is 20 May? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
4. 4.Today is Tuesday. What day of the week will it be after 33 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
5. 5.If 10 May is a Wednesday, what day of the week is 24 May? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
6. 6.If 13 March is a Saturday, what day of the week is 21 March? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
7. 7.Today is Saturday. What day of the week will it be after 77 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
8. 8.Today is Friday. What day of the week will it be after 13 days? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
9. 9.If 1 August is a Thursday, what day of the week is 17 August? (a) Monday (b) Sunday (c) Saturday (d) Friday
10. 10.If 1 January is a Wednesday, what day of the week is 15 January? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
11. 11.If 20 September is a Friday, what day of the week is 4 October? (a) Friday (b) Sunday (c) Saturday (d) Thursday
12. 12.Today is Wednesday. What day of the week will it be after 90 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
13. 13.Today is Tuesday. What day of the week will it be after 35 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
14. 14.If 13 July is a Saturday, what day of the week is 24 July? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
15. 15.Today is Friday. What day of the week will it be after 87 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
16. 16.If 10 August is a Thursday, what day of the week is 18 August? (a) Thursday (b) Saturday (c) Sunday (d) Friday
17. 17.If 13 March is a Wednesday, what day of the week is 25 March? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
18. 18.Today is Monday. What day of the week will it be after 99 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
19. 19.Today is Sunday. What day of the week will it be after 20 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
20. 20.If 13 October is a Wednesday, what day of the week is 23 October? (a) Saturday (b) Sunday (c) Friday (d) Monday
21. 21.If 23 May is a Wednesday, what day of the week is 14 June? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
22. 22.Today is Friday. What day of the week will it be after 92 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
23. 23.If 20 August is a Monday, what day of the week is 2 September? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
24. 24.Today is Monday. What day of the week will it be after 61 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
25. 25.If 26 October is a Monday, what day of the week is 20 November? (a) Sunday (b) Thursday (c) Friday (d) Saturday
26. 26.If 11 March is a Sunday, what day of the week is 21 March? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
27. 27.Today is Tuesday. What day of the week will it be after 46 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
28. 28.If 3 January is a Friday, what day of the week is 19 January? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
29. 29.Today is Tuesday. What day of the week will it be after 12 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
30. 30.Today is Sunday. What day of the week will it be after 93 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
31. 31.If 9 October is a Friday, what day of the week is 21 October? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
32. 32.If 3 December is a Wednesday, what day of the week is 19 December? (a) Friday (b) Sunday (c) Saturday (d) Thursday
33. 33.If 2 December is a Sunday, what day of the week is 12 December? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
34. 34.If 27 September is a Friday, what day of the week is 1 October? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
35. 35.Today is Monday. What day of the week will it be after 95 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
36. 36.If 4 March is a Friday, what day of the week is 15 March? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
37. 37.If 13 December is a Sunday, what day of the week is 28 December? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
38. 38.Today is Friday. What day of the week will it be after 75 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
39. 39.Today is Wednesday. What day of the week will it be after 51 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
40. 40.If 13 July is a Friday, what day of the week is 12 August? (a) Sunday (b) Monday (c) Tuesday (d) Saturday

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