Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 31 · 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 7 January is a Saturday, what day of the week is 17 January? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
2. 2.If 14 October is a Thursday, what day of the week is 23 October? (a) Sunday (b) Monday (c) Saturday (d) Friday
3. 3.If 11 March is a Tuesday, what day of the week is 21 March? (a) Thursday (b) Friday (c) Sunday (d) Saturday
4. 4.Today is Monday. What day of the week will it be after 43 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
5. 5.If 20 September is a Monday, what day of the week is 16 October? (a) Monday (b) Friday (c) Saturday (d) Sunday
6. 6.If 14 July is a Tuesday, what day of the week is 30 July? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
7. 7.Today is Wednesday. What day of the week will it be after 97 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
8. 8.If 1 January is a Tuesday, what day of the week is 10 January? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
9. 9.If 18 September is a Thursday, what day of the week is 4 October? (a) Saturday (b) Friday (c) Monday (d) Sunday
10. 10.If 13 July is a Thursday, what day of the week is 21 July? (a) Sunday (b) Friday (c) Saturday (d) Thursday
11. 11.If 19 January is a Monday, what day of the week is 18 February? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
12. 12.If 22 April is a Sunday, what day of the week is 2 May? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
13. 13.Today is Sunday. What day of the week will it be after 42 days? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
14. 14.If 10 July is a Tuesday, what day of the week is 17 August? (a) Thursday (b) Friday (c) Sunday (d) Saturday
15. 15.If 10 August is a Tuesday, what day of the week is 1 September? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
16. 16.Today is Tuesday. What day of the week will it be after 18 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
17. 17.If 4 May is a Sunday, what day of the week is 13 May? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
18. 18.If 28 January is a Friday, what day of the week is 4 February? (a) Saturday (b) Friday (c) Thursday (d) Sunday
19. 19.If 1 May is a Wednesday, what day of the week is 10 May? (a) Thursday (b) Sunday (c) Saturday (d) Friday
20. 20.If 12 March is a Wednesday, what day of the week is 20 March? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
21. 21.If 24 January is a Monday, what day of the week is 15 February? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
22. 22.If 13 June is a Saturday, what day of the week is 1 July? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
23. 23.If 16 March is a Tuesday, what day of the week is 14 April? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
24. 24.If 4 May is a Saturday, what day of the week is 12 May? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
25. 25.If 11 December is a Monday, what day of the week is 21 December? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
26. 26.Today is Monday. What day of the week will it be after 22 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
27. 27.Today is Monday. What day of the week will it be after 86 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
28. 28.Today is Saturday. What day of the week will it be after 30 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
29. 29.If 11 May is a Wednesday, what day of the week is 21 May? (a) Saturday (b) Friday (c) Sunday (d) Monday
30. 30.If 14 January is a Sunday, what day of the week is 3 February? (a) Saturday (b) Friday (c) Monday (d) Sunday
31. 31.If 25 March is a Tuesday, what day of the week is 5 April? (a) Friday (b) Sunday (c) Saturday (d) Monday
32. 32.If 10 March is a Saturday, what day of the week is 19 March? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
33. 33.If 1 October is a Tuesday, what day of the week is 10 October? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
34. 34.If 10 October is a Sunday, what day of the week is 22 October? (a) Thursday (b) Friday (c) Saturday (d) Sunday
35. 35.If 14 March is a Monday, what day of the week is 11 April? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
36. 36.If 6 December is a Friday, what day of the week is 18 December? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
37. 37.Today is Friday. What day of the week will it be after 73 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
38. 38.If 7 May is a Monday, what day of the week is 17 May? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
39. 39.Today is Monday. What day of the week will it be after 92 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
40. 40.Today is Tuesday. What day of the week will it be after 27 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday

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