Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 12 · 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 12 March is a Saturday, what day of the week is 22 March? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
2. 2.Today is Monday. What day of the week will it be after 98 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
3. 3.If 10 June is a Saturday, what day of the week is 17 July? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
4. 4.If 2 October is a Tuesday, what day of the week is 15 October? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
5. 5.If 5 March is a Sunday, what day of the week is 15 March? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
6. 6.Today is Saturday. What day of the week will it be after 42 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
7. 7.If 8 October is a Thursday, what day of the week is 22 October? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
8. 8.Today is Wednesday. What day of the week will it be after 84 days? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
9. 9.If 12 January is a Tuesday, what day of the week is 28 January? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
10. 10.If 18 March is a Monday, what day of the week is 2 April? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
11. 11.If 26 August is a Friday, what day of the week is 6 September? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
12. 12.If 1 October is a Monday, what day of the week is 10 October? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
13. 13.If 27 April is a Monday, what day of the week is 11 May? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
14. 14.If 24 April is a Tuesday, what day of the week is 2 May? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
15. 15.If 8 July is a Sunday, what day of the week is 19 July? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
16. 16.Today is Wednesday. What day of the week will it be after 79 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
17. 17.Today is Monday. What day of the week will it be after 74 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
18. 18.If 9 August is a Saturday, what day of the week is 20 August? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
19. 19.If 6 July is a Sunday, what day of the week is 18 July? (a) Sunday (b) Friday (c) Saturday (d) Thursday
20. 20.Today is Friday. What day of the week will it be after 50 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
21. 21.Today is Sunday. What day of the week will it be after 80 days? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
22. 22.Today is Sunday. What day of the week will it be after 70 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
23. 23.If 21 October is a Wednesday, what day of the week is 7 November? (a) Friday (b) Sunday (c) Saturday (d) Monday
24. 24.Today is Monday. What day of the week will it be after 33 days? (a) Friday (b) Saturday (c) Monday (d) Sunday
25. 25.If 17 April is a Tuesday, what day of the week is 4 May? (a) Thursday (b) Friday (c) Sunday (d) Saturday
26. 26.If 6 August is a Saturday, what day of the week is 18 August? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
27. 27.If 5 December is a Saturday, what day of the week is 18 December? (a) Sunday (b) Saturday (c) Friday (d) Thursday
28. 28.If 10 March is a Saturday, what day of the week is 18 March? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
29. 29.If 15 May is a Wednesday, what day of the week is 29 May? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
30. 30.If 9 October is a Sunday, what day of the week is 17 October? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
31. 31.If 11 December is a Wednesday, what day of the week is 19 December? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
32. 32.If 12 March is a Sunday, what day of the week is 24 March? (a) Thursday (b) Friday (c) Saturday (d) Sunday
33. 33.If 17 August is a Wednesday, what day of the week is 2 September? (a) Saturday (b) Sunday (c) Thursday (d) Friday
34. 34.If 17 June is a Wednesday, what day of the week is 7 July? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
35. 35.Today is Monday. What day of the week will it be after 75 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
36. 36.If 10 August is a Monday, what day of the week is 18 August? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
37. 37.Today is Saturday. What day of the week will it be after 65 days? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
38. 38.If 20 November is a Sunday, what day of the week is 7 December? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
39. 39.If 5 March is a Friday, what day of the week is 14 March? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
40. 40.Today is Wednesday. What day of the week will it be after 15 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday

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