Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 783 · 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 Friday. What day of the week will it be after 10 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
2. 2.If 11 January is a Tuesday, what day of the week is 21 January? (a) Thursday (b) Friday (c) Sunday (d) Saturday
3. 3.If 16 July is a Tuesday, what day of the week is 11 August? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
4. 4.If 26 August is a Saturday, what day of the week is 5 September? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
5. 5.If 6 August is a Tuesday, what day of the week is 21 August? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
6. 6.If 31 March is a Monday, what day of the week is 8 April? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
7. 7.Today is Tuesday. What day of the week will it be after 21 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
8. 8.If 13 May is a Sunday, what day of the week is 18 June? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
9. 9.If 7 August is a Tuesday, what day of the week is 15 August? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
10. 10.If 14 January is a Monday, what day of the week is 22 January? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
11. 11.Today is Friday. What day of the week will it be after 67 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
12. 12.If 15 May is a Saturday, what day of the week is 26 May? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
13. 13.If 11 March is a Monday, what day of the week is 17 April? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
14. 14.If 8 May is a Monday, what day of the week is 17 May? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
15. 15.If 15 August is a Monday, what day of the week is 9 September? (a) Sunday (b) Saturday (c) Thursday (d) Friday
16. 16.If 29 October is a Tuesday, what day of the week is 20 November? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
17. 17.Today is Tuesday. What day of the week will it be after 99 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
18. 18.If 15 May is a Sunday, what day of the week is 31 May? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
19. 19.If 2 August is a Thursday, what day of the week is 14 August? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
20. 20.Today is Tuesday. What day of the week will it be after 49 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
21. 21.Today is Wednesday. What day of the week will it be after 59 days? (a) Friday (b) Saturday (c) Monday (d) Sunday
22. 22.If 21 May is a Thursday, what day of the week is 19 June? (a) Friday (b) Thursday (c) Saturday (d) Sunday
23. 23.If 1 March is a Monday, what day of the week is 13 March? (a) Friday (b) Sunday (c) Saturday (d) Monday
24. 24.If 2 May is a Sunday, what day of the week is 15 May? (a) Saturday (b) Monday (c) Friday (d) Sunday
25. 25.If 15 October is a Tuesday, what day of the week is 6 November? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
26. 26.If 12 June is a Saturday, what day of the week is 10 July? (a) Monday (b) Saturday (c) Friday (d) Sunday
27. 27.Today is Sunday. What day of the week will it be after 21 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
28. 28.If 5 January is a Monday, what day of the week is 13 January? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
29. 29.If 1 January is a Saturday, what day of the week is 14 January? (a) Thursday (b) Saturday (c) Sunday (d) Friday
30. 30.If 22 May is a Saturday, what day of the week is 1 June? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
31. 31.Today is Saturday. What day of the week will it be after 19 days? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
32. 32.If 16 August is a Tuesday, what day of the week is 15 September? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
33. 33.Today is Saturday. What day of the week will it be after 77 days? (a) Monday (b) Sunday (c) Saturday (d) Friday
34. 34.If 14 March is a Friday, what day of the week is 24 March? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
35. 35.If 14 January is a Saturday, what day of the week is 30 January? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
36. 36.Today is Sunday. What day of the week will it be after 79 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
37. 37.If 14 May is a Tuesday, what day of the week is 28 May? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
38. 38.Today is Saturday. What day of the week will it be after 94 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
39. 39.Today is Friday. What day of the week will it be after 25 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
40. 40.If 3 October is a Thursday, what day of the week is 19 October? (a) Saturday (b) Monday (c) Sunday (d) Friday

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