Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 393 · 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 20 April is a Friday, what day of the week is 14 May? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
2. 2.If 10 December is a Wednesday, what day of the week is 18 December? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
3. 3.Today is Friday. What day of the week will it be after 30 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
4. 4.Today is Friday. What day of the week will it be after 36 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
5. 5.If 15 July is a Wednesday, what day of the week is 9 August? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
6. 6.If 27 June is a Friday, what day of the week is 13 July? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
7. 7.If 19 October is a Tuesday, what day of the week is 2 November? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
8. 8.If 1 May is a Wednesday, what day of the week is 17 May? (a) Sunday (b) Saturday (c) Friday (d) Thursday
9. 9.If 2 July is a Sunday, what day of the week is 14 July? (a) Saturday (b) Sunday (c) Thursday (d) Friday
10. 10.Today is Thursday. What day of the week will it be after 18 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
11. 11.If 7 August is a Friday, what day of the week is 23 August? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
12. 12.If 15 October is a Friday, what day of the week is 23 October? (a) Sunday (b) Monday (c) Friday (d) Saturday
13. 13.If 4 January is a Thursday, what day of the week is 18 January? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
14. 14.If 15 January is a Saturday, what day of the week is 6 February? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
15. 15.If 13 December is a Friday, what day of the week is 26 December? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
16. 16.Today is Friday. What day of the week will it be after 92 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
17. 17.Today is Saturday. What day of the week will it be after 23 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
18. 18.Today is Sunday. What day of the week will it be after 35 days? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
19. 19.Today is Saturday. What day of the week will it be after 27 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
20. 20.If 12 July is a Monday, what day of the week is 24 July? (a) Sunday (b) Friday (c) Monday (d) Saturday
21. 21.If 7 May is a Tuesday, what day of the week is 18 May? (a) Saturday (b) Sunday (c) Monday (d) Friday
22. 22.If 13 May is a Monday, what day of the week is 11 June? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
23. 23.If 15 October is a Saturday, what day of the week is 28 October? (a) Thursday (b) Sunday (c) Friday (d) Saturday
24. 24.If 10 April is a Saturday, what day of the week is 1 May? (a) Sunday (b) Monday (c) Saturday (d) Friday
25. 25.Today is Monday. What day of the week will it be after 20 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
26. 26.If 14 October is a Sunday, what day of the week is 27 October? (a) Friday (b) Saturday (c) Sunday (d) Monday
27. 27.If 21 August is a Tuesday, what day of the week is 8 September? (a) Saturday (b) Sunday (c) Friday (d) Monday
28. 28.If 1 March is a Friday, what day of the week is 11 March? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
29. 29.If 2 October is a Monday, what day of the week is 12 October? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
30. 30.Today is Friday. What day of the week will it be after 14 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
31. 31.If 9 July is a Monday, what day of the week is 25 July? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
32. 32.If 1 January is a Thursday, what day of the week is 10 January? (a) Monday (b) Sunday (c) Saturday (d) Friday
33. 33.If 13 August is a Tuesday, what day of the week is 26 August? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
34. 34.If 13 March is a Monday, what day of the week is 23 March? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
35. 35.If 27 January is a Monday, what day of the week is 15 February? (a) Monday (b) Saturday (c) Sunday (d) Friday
36. 36.If 11 October is a Sunday, what day of the week is 24 October? (a) Monday (b) Saturday (c) Sunday (d) Friday
37. 37.If 11 October is a Monday, what day of the week is 10 November? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
38. 38.If 12 January is a Wednesday, what day of the week is 22 January? (a) Sunday (b) Monday (c) Friday (d) Saturday
39. 39.Today is Thursday. What day of the week will it be after 70 days? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
40. 40.Today is Monday. What day of the week will it be after 21 days? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday

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