Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 103 · 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 15 January is a Tuesday, what day of the week is 12 February? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
2. 2.If 15 January is a Thursday, what day of the week is 10 February? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
3. 3.If 13 March is a Tuesday, what day of the week is 9 April? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
4. 4.If 9 May is a Wednesday, what day of the week is 22 May? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
5. 5.If 18 March is a Wednesday, what day of the week is 7 April? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
6. 6.Today is Wednesday. What day of the week will it be after 80 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
7. 7.If 5 August is a Monday, what day of the week is 19 August? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
8. 8.If 14 March is a Monday, what day of the week is 19 April? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
9. 9.Today is Sunday. What day of the week will it be after 10 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
10. 10.Today is Monday. What day of the week will it be after 75 days? (a) Friday (b) Saturday (c) Monday (d) Sunday
11. 11.Today is Sunday. What day of the week will it be after 54 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
12. 12.If 30 October is a Saturday, what day of the week is 16 November? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
13. 13.If 13 December is a Monday, what day of the week is 25 December? (a) Friday (b) Sunday (c) Saturday (d) Monday
14. 14.If 19 September is a Saturday, what day of the week is 11 October? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
15. 15.If 9 December is a Thursday, what day of the week is 19 December? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
16. 16.Today is Monday. What day of the week will it be after 73 days? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
17. 17.If 15 January is a Saturday, what day of the week is 31 January? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
18. 18.If 13 December is a Saturday, what day of the week is 24 December? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
19. 19.If 4 August is a Sunday, what day of the week is 19 August? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
20. 20.Today is Thursday. What day of the week will it be after 23 days? (a) Saturday (b) Sunday (c) Friday (d) Monday
21. 21.If 12 July is a Wednesday, what day of the week is 9 August? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
22. 22.Today is Friday. What day of the week will it be after 89 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
23. 23.Today is Thursday. What day of the week will it be after 11 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
24. 24.If 10 May is a Monday, what day of the week is 19 June? (a) Sunday (b) Friday (c) Monday (d) Saturday
25. 25.Today is Tuesday. What day of the week will it be after 13 days? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
26. 26.If 3 March is a Saturday, what day of the week is 16 March? (a) Thursday (b) Saturday (c) Sunday (d) Friday
27. 27.If 11 May is a Thursday, what day of the week is 23 May? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
28. 28.If 6 October is a Tuesday, what day of the week is 14 October? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
29. 29.If 15 June is a Tuesday, what day of the week is 15 July? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
30. 30.If 11 July is a Wednesday, what day of the week is 22 July? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
31. 31.If 24 August is a Tuesday, what day of the week is 11 September? (a) Friday (b) Monday (c) Sunday (d) Saturday
32. 32.Today is Tuesday. What day of the week will it be after 14 days? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
33. 33.If 22 September is a Tuesday, what day of the week is 14 October? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
34. 34.If 6 January is a Monday, what day of the week is 22 January? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
35. 35.Today is Thursday. What day of the week will it be after 12 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
36. 36.If 14 July is a Saturday, what day of the week is 3 August? (a) Friday (b) Sunday (c) Thursday (d) Saturday
37. 37.If 18 March is a Thursday, what day of the week is 4 April? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
38. 38.If 6 October is a Monday, what day of the week is 15 October? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
39. 39.If 8 October is a Monday, what day of the week is 17 October? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
40. 40.Today is Saturday. What day of the week will it be after 50 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday

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