Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 100 · 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.Today is Sunday. What day of the week will it be after 21 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
2. 2.Today is Monday. What day of the week will it be after 32 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
3. 3.If 10 January is a Wednesday, what day of the week is 19 February? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
4. 4.Today is Wednesday. What day of the week will it be after 19 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
5. 5.If 18 August is a Wednesday, what day of the week is 3 September? (a) Friday (b) Thursday (c) Sunday (d) Saturday
6. 6.Today is Friday. What day of the week will it be after 90 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
7. 7.If 17 August is a Saturday, what day of the week is 19 September? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
8. 8.If 14 October is a Saturday, what day of the week is 22 October? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
9. 9.Today is Monday. What day of the week will it be after 36 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
10. 10.If 14 March is a Thursday, what day of the week is 23 March? (a) Saturday (b) Sunday (c) Friday (d) Monday
11. 11.If 16 January is a Thursday, what day of the week is 8 February? (a) Friday (b) Sunday (c) Monday (d) Saturday
12. 12.If 1 March is a Tuesday, what day of the week is 13 March? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
13. 13.If 27 November is a Wednesday, what day of the week is 19 December? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
14. 14.If 7 January is a Thursday, what day of the week is 18 January? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
15. 15.Today is Thursday. What day of the week will it be after 98 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
16. 16.Today is Saturday. What day of the week will it be after 25 days? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
17. 17.If 2 January is a Tuesday, what day of the week is 18 January? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
18. 18.If 15 July is a Sunday, what day of the week is 23 July? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
19. 19.If 13 March is a Sunday, what day of the week is 21 March? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
20. 20.If 27 March is a Monday, what day of the week is 18 April? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
21. 21.Today is Saturday. What day of the week will it be after 61 days? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
22. 22.If 14 August is a Thursday, what day of the week is 7 September? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
23. 23.Today is Monday. What day of the week will it be after 59 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
24. 24.If 29 July is a Thursday, what day of the week is 7 August? (a) Monday (b) Sunday (c) Saturday (d) Friday
25. 25.If 22 June is a Friday, what day of the week is 18 July? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
26. 26.Today is Thursday. What day of the week will it be after 91 days? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
27. 27.If 3 December is a Wednesday, what day of the week is 18 December? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
28. 28.If 9 December is a Tuesday, what day of the week is 23 December? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
29. 29.If 23 October is a Monday, what day of the week is 2 November? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
30. 30.Today is Thursday. What day of the week will it be after 44 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
31. 31.If 14 May is a Sunday, what day of the week is 7 June? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
32. 32.If 19 March is a Saturday, what day of the week is 13 April? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
33. 33.If 14 April is a Friday, what day of the week is 8 May? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
34. 34.If 23 September is a Saturday, what day of the week is 13 October? (a) Saturday (b) Sunday (c) Thursday (d) Friday
35. 35.If 11 January is a Thursday, what day of the week is 22 January? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
36. 36.If 2 May is a Thursday, what day of the week is 12 May? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
37. 37.Today is Friday. What day of the week will it be after 39 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
38. 38.Today is Tuesday. What day of the week will it be after 100 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
39. 39.Today is Monday. What day of the week will it be after 24 days? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
40. 40.If 13 March is a Monday, what day of the week is 18 April? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday

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