Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 343 · 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 3 May is a Friday, what day of the week is 14 May? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
2. 2.If 14 March is a Tuesday, what day of the week is 29 March? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
3. 3.Today is Saturday. What day of the week will it be after 28 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
4. 4.If 5 December is a Wednesday, what day of the week is 21 December? (a) Sunday (b) Saturday (c) Friday (d) Thursday
5. 5.If 13 October is a Saturday, what day of the week is 25 October? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
6. 6.If 10 March is a Wednesday, what day of the week is 18 April? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
7. 7.If 19 September is a Tuesday, what day of the week is 4 October? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
8. 8.If 4 October is a Tuesday, what day of the week is 18 October? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
9. 9.If 8 August is a Sunday, what day of the week is 19 August? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
10. 10.Today is Friday. What day of the week will it be after 99 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
11. 11.If 1 August is a Friday, what day of the week is 15 August? (a) Thursday (b) Saturday (c) Sunday (d) Friday
12. 12.If 29 March is a Thursday, what day of the week is 13 April? (a) Thursday (b) Sunday (c) Friday (d) Saturday
13. 13.Today is Tuesday. What day of the week will it be after 23 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
14. 14.Today is Saturday. What day of the week will it be after 37 days? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
15. 15.If 13 November is a Monday, what day of the week is 16 December? (a) Sunday (b) Friday (c) Monday (d) Saturday
16. 16.If 4 March is a Thursday, what day of the week is 20 March? (a) Friday (b) Monday (c) Sunday (d) Saturday
17. 17.If 7 March is a Monday, what day of the week is 22 March? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
18. 18.If 24 April is a Friday, what day of the week is 3 May? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
19. 19.Today is Saturday. What day of the week will it be after 15 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
20. 20.If 7 May is a Wednesday, what day of the week is 19 May? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
21. 21.Today is Wednesday. What day of the week will it be after 89 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
22. 22.If 16 June is a Friday, what day of the week is 15 July? (a) Friday (b) Saturday (c) Monday (d) Sunday
23. 23.Today is Saturday. What day of the week will it be after 12 days? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
24. 24.If 30 October is a Sunday, what day of the week is 13 November? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
25. 25.Today is Tuesday. What day of the week will it be after 90 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
26. 26.If 2 May is a Tuesday, what day of the week is 11 May? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
27. 27.If 11 January is a Wednesday, what day of the week is 20 January? (a) Friday (b) Sunday (c) Saturday (d) Thursday
28. 28.If 13 May is a Thursday, what day of the week is 28 May? (a) Thursday (b) Sunday (c) Friday (d) Saturday
29. 29.If 15 January is a Tuesday, what day of the week is 27 January? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
30. 30.If 18 November is a Saturday, what day of the week is 4 December? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
31. 31.If 23 October is a Friday, what day of the week is 16 November? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
32. 32.If 22 July is a Thursday, what day of the week is 14 August? (a) Monday (b) Saturday (c) Friday (d) Sunday
33. 33.Today is Thursday. What day of the week will it be after 51 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
34. 34.Today is Monday. What day of the week will it be after 25 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
35. 35.If 14 July is a Wednesday, what day of the week is 29 July? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
36. 36.If 20 September is a Tuesday, what day of the week is 19 October? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
37. 37.If 13 January is a Tuesday, what day of the week is 27 January? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
38. 38.If 24 January is a Wednesday, what day of the week is 14 February? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
39. 39.If 13 June is a Saturday, what day of the week is 3 July? (a) Saturday (b) Friday (c) Thursday (d) Sunday
40. 40.If 12 May is a Monday, what day of the week is 26 May? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday

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