Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 642 · 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 11 March is a Tuesday, what day of the week is 23 March? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
2. 2.Today is Saturday. What day of the week will it be after 77 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
3. 3.Today is Monday. What day of the week will it be after 41 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
4. 4.If 1 December is a Saturday, what day of the week is 15 December? (a) Sunday (b) Monday (c) Friday (d) Saturday
5. 5.Today is Wednesday. What day of the week will it be after 51 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
6. 6.If 15 May is a Tuesday, what day of the week is 29 May? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
7. 7.If 6 July is a Sunday, what day of the week is 17 July? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
8. 8.Today is Friday. What day of the week will it be after 15 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
9. 9.Today is Saturday. What day of the week will it be after 99 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
10. 10.If 3 May is a Thursday, what day of the week is 14 May? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
11. 11.If 18 April is a Wednesday, what day of the week is 20 May? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
12. 12.If 28 August is a Friday, what day of the week is 9 September? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
13. 13.If 11 January is a Wednesday, what day of the week is 23 January? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
14. 14.If 24 September is a Sunday, what day of the week is 6 October? (a) Saturday (b) Sunday (c) Friday (d) Thursday
15. 15.If 4 May is a Friday, what day of the week is 20 May? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
16. 16.If 6 August is a Monday, what day of the week is 18 August? (a) Monday (b) Friday (c) Sunday (d) Saturday
17. 17.If 25 April is a Friday, what day of the week is 17 May? (a) Saturday (b) Monday (c) Friday (d) Sunday
18. 18.If 12 July is a Wednesday, what day of the week is 24 July? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
19. 19.If 4 March is a Monday, what day of the week is 15 March? (a) Friday (b) Sunday (c) Saturday (d) Thursday
20. 20.Today is Saturday. What day of the week will it be after 12 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
21. 21.If 13 January is a Monday, what day of the week is 27 January? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
22. 22.If 12 March is a Saturday, what day of the week is 21 March? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
23. 23.If 12 March is a Saturday, what day of the week is 25 March? (a) Saturday (b) Sunday (c) Friday (d) Thursday
24. 24.Today is Thursday. What day of the week will it be after 100 days? (a) Friday (b) Sunday (c) Monday (d) Saturday
25. 25.If 12 October is a Saturday, what day of the week is 3 November? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
26. 26.Today is Tuesday. What day of the week will it be after 80 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
27. 27.If 13 December is a Tuesday, what day of the week is 26 December? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
28. 28.Today is Monday. What day of the week will it be after 48 days? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
29. 29.If 26 May is a Monday, what day of the week is 5 June? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
30. 30.Today is Monday. What day of the week will it be after 89 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
31. 31.If 4 October is a Monday, what day of the week is 14 October? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
32. 32.Today is Thursday. What day of the week will it be after 84 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
33. 33.If 1 March is a Thursday, what day of the week is 13 March? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
34. 34.If 3 March is a Monday, what day of the week is 11 March? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
35. 35.Today is Saturday. What day of the week will it be after 88 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
36. 36.If 1 October is a Saturday, what day of the week is 9 October? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
37. 37.If 18 January is a Monday, what day of the week is 20 February? (a) Sunday (b) Monday (c) Friday (d) Saturday
38. 38.If 1 August is a Sunday, what day of the week is 16 August? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
39. 39.If 3 December is a Tuesday, what day of the week is 13 December? (a) Sunday (b) Thursday (c) Saturday (d) Friday
40. 40.If 3 March is a Tuesday, what day of the week is 12 March? (a) Thursday (b) Saturday (c) Friday (d) Wednesday

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