Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 960 · 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 37 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
2. 2.If 15 March is a Tuesday, what day of the week is 15 April? (a) Saturday (b) Thursday (c) Friday (d) Sunday
3. 3.Today is Tuesday. What day of the week will it be after 19 days? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
4. 4.If 6 March is a Saturday, what day of the week is 17 March? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
5. 5.If 2 January is a Tuesday, what day of the week is 17 January? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
6. 6.If 13 October is a Saturday, what day of the week is 27 October? (a) Saturday (b) Friday (c) Sunday (d) Monday
7. 7.If 20 May is a Sunday, what day of the week is 3 June? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
8. 8.Today is Friday. What day of the week will it be after 27 days? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
9. 9.If 12 August is a Tuesday, what day of the week is 28 August? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
10. 10.Today is Sunday. What day of the week will it be after 35 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
11. 11.If 16 November is a Tuesday, what day of the week is 7 December? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
12. 12.If 12 October is a Tuesday, what day of the week is 28 October? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
13. 13.Today is Sunday. What day of the week will it be after 95 days? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
14. 14.If 9 January is a Thursday, what day of the week is 17 January? (a) Friday (b) Thursday (c) Sunday (d) Saturday
15. 15.Today is Thursday. What day of the week will it be after 13 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
16. 16.If 9 March is a Saturday, what day of the week is 17 March? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
17. 17.Today is Saturday. What day of the week will it be after 60 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
18. 18.If 10 August is a Monday, what day of the week is 21 August? (a) Saturday (b) Thursday (c) Sunday (d) Friday
19. 19.If 12 July is a Tuesday, what day of the week is 23 July? (a) Saturday (b) Sunday (c) Monday (d) Friday
20. 20.If 22 March is a Saturday, what day of the week is 20 April? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
21. 21.Today is Sunday. What day of the week will it be after 99 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
22. 22.If 7 December is a Tuesday, what day of the week is 16 December? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
23. 23.If 20 October is a Monday, what day of the week is 11 November? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
24. 24.If 22 January is a Sunday, what day of the week is 19 February? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
25. 25.If 5 August is a Tuesday, what day of the week is 18 August? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
26. 26.If 9 May is a Tuesday, what day of the week is 19 May? (a) Friday (b) Sunday (c) Thursday (d) Saturday
27. 27.If 4 July is a Monday, what day of the week is 12 July? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
28. 28.If 17 October is a Monday, what day of the week is 16 November? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
29. 29.Today is Saturday. What day of the week will it be after 20 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
30. 30.If 22 January is a Tuesday, what day of the week is 4 February? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
31. 31.Today is Wednesday. What day of the week will it be after 31 days? (a) Monday (b) Sunday (c) Saturday (d) Friday
32. 32.If 6 December is a Saturday, what day of the week is 20 December? (a) Monday (b) Sunday (c) Saturday (d) Friday
33. 33.If 27 June is a Friday, what day of the week is 18 July? (a) Thursday (b) Friday (c) Sunday (d) Saturday
34. 34.Today is Saturday. What day of the week will it be after 38 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
35. 35.If 8 March is a Friday, what day of the week is 21 March? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
36. 36.If 3 August is a Friday, what day of the week is 13 August? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
37. 37.Today is Monday. What day of the week will it be after 72 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
38. 38.If 22 July is a Friday, what day of the week is 9 August? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
39. 39.If 13 June is a Friday, what day of the week is 9 July? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
40. 40.Today is Thursday. What day of the week will it be after 51 days? (a) Monday (b) Sunday (c) Saturday (d) Friday

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