Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 86 · 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 5 July is a Monday, what day of the week is 21 July? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
2. 2.If 10 March is a Friday, what day of the week is 4 April? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
3. 3.If 8 March is a Friday, what day of the week is 22 March? (a) Friday (b) Sunday (c) Thursday (d) Saturday
4. 4.If 8 January is a Monday, what day of the week is 20 January? (a) Sunday (b) Saturday (c) Monday (d) Friday
5. 5.If 13 March is a Friday, what day of the week is 24 March? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
6. 6.If 30 March is a Tuesday, what day of the week is 16 April? (a) Thursday (b) Friday (c) Saturday (d) Sunday
7. 7.Today is Wednesday. What day of the week will it be after 87 days? (a) Saturday (b) Friday (c) Monday (d) Sunday
8. 8.Today is Friday. What day of the week will it be after 43 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
9. 9.Today is Monday. What day of the week will it be after 66 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
10. 10.If 8 March is a Friday, what day of the week is 18 March? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
11. 11.If 21 January is a Monday, what day of the week is 7 February? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
12. 12.Today is Friday. What day of the week will it be after 27 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
13. 13.If 12 April is a Friday, what day of the week is 12 May? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
14. 14.If 5 August is a Sunday, what day of the week is 13 August? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
15. 15.If 17 June is a Sunday, what day of the week is 19 July? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
16. 16.If 24 May is a Saturday, what day of the week is 3 June? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
17. 17.If 5 May is a Monday, what day of the week is 18 May? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
18. 18.If 11 July is a Monday, what day of the week is 27 July? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
19. 19.If 2 December is a Thursday, what day of the week is 10 December? (a) Saturday (b) Friday (c) Thursday (d) Sunday
20. 20.If 14 March is a Monday, what day of the week is 29 March? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
21. 21.If 5 January is a Friday, what day of the week is 13 January? (a) Friday (b) Monday (c) Sunday (d) Saturday
22. 22.If 3 March is a Friday, what day of the week is 11 March? (a) Sunday (b) Monday (c) Saturday (d) Friday
23. 23.Today is Friday. What day of the week will it be after 66 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
24. 24.If 19 May is a Friday, what day of the week is 13 June? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
25. 25.Today is Saturday. What day of the week will it be after 60 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
26. 26.If 28 September is a Sunday, what day of the week is 14 October? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
27. 27.If 7 January is a Monday, what day of the week is 18 January? (a) Friday (b) Thursday (c) Sunday (d) Saturday
28. 28.Today is Thursday. What day of the week will it be after 11 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
29. 29.Today is Monday. What day of the week will it be after 47 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
30. 30.If 10 August is a Thursday, what day of the week is 21 August? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
31. 31.Today is Tuesday. What day of the week will it be after 85 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
32. 32.Today is Wednesday. What day of the week will it be after 57 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
33. 33.If 3 August is a Wednesday, what day of the week is 12 August? (a) Thursday (b) Saturday (c) Friday (d) Sunday
34. 34.If 15 April is a Wednesday, what day of the week is 7 May? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
35. 35.If 14 January is a Wednesday, what day of the week is 20 February? (a) Sunday (b) Thursday (c) Friday (d) Saturday
36. 36.Today is Wednesday. What day of the week will it be after 85 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
37. 37.If 3 December is a Sunday, what day of the week is 16 December? (a) Friday (b) Monday (c) Sunday (d) Saturday
38. 38.If 25 July is a Saturday, what day of the week is 3 August? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
39. 39.If 12 July is a Saturday, what day of the week is 1 August? (a) Saturday (b) Friday (c) Thursday (d) Sunday
40. 40.If 11 September is a Thursday, what day of the week is 16 October? (a) Thursday (b) Friday (c) Wednesday (d) Saturday

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