Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 147 · 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 Wednesday. What day of the week will it be after 89 days? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
2. 2.Today is Thursday. What day of the week will it be after 85 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
3. 3.Today is Wednesday. What day of the week will it be after 10 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
4. 4.Today is Wednesday. What day of the week will it be after 94 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
5. 5.If 23 May is a Saturday, what day of the week is 7 June? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
6. 6.If 1 January is a Thursday, what day of the week is 10 January? (a) Friday (b) Sunday (c) Monday (d) Saturday
7. 7.Today is Saturday. What day of the week will it be after 71 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
8. 8.If 17 April is a Wednesday, what day of the week is 16 May? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
9. 9.Today is Tuesday. What day of the week will it be after 10 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
10. 10.If 23 March is a Friday, what day of the week is 17 April? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
11. 11.If 13 September is a Saturday, what day of the week is 10 October? (a) Sunday (b) Thursday (c) Friday (d) Saturday
12. 12.If 7 March is a Wednesday, what day of the week is 22 March? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
13. 13.If 3 March is a Thursday, what day of the week is 12 March? (a) Sunday (b) Saturday (c) Monday (d) Friday
14. 14.If 29 April is a Friday, what day of the week is 8 May? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
15. 15.If 18 January is a Sunday, what day of the week is 14 February? (a) Saturday (b) Sunday (c) Monday (d) Friday
16. 16.If 24 June is a Thursday, what day of the week is 2 July? (a) Sunday (b) Friday (c) Saturday (d) Thursday
17. 17.If 9 January is a Monday, what day of the week is 20 January? (a) Friday (b) Sunday (c) Saturday (d) Thursday
18. 18.If 14 October is a Saturday, what day of the week is 28 October? (a) Sunday (b) Friday (c) Monday (d) Saturday
19. 19.If 21 June is a Wednesday, what day of the week is 4 July? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
20. 20.If 14 December is a Wednesday, what day of the week is 23 December? (a) Friday (b) Saturday (c) Sunday (d) Thursday
21. 21.Today is Saturday. What day of the week will it be after 98 days? (a) Saturday (b) Friday (c) Monday (d) Sunday
22. 22.If 7 October is a Sunday, what day of the week is 17 October? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
23. 23.Today is Monday. What day of the week will it be after 74 days? (a) Friday (b) Sunday (c) Saturday (d) Thursday
24. 24.If 12 January is a Thursday, what day of the week is 3 February? (a) Saturday (b) Friday (c) Sunday (d) Thursday
25. 25.If 10 August is a Wednesday, what day of the week is 23 August? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
26. 26.If 4 October is a Saturday, what day of the week is 18 October? (a) Friday (b) Sunday (c) Monday (d) Saturday
27. 27.Today is Tuesday. What day of the week will it be after 36 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
28. 28.If 3 October is a Monday, what day of the week is 14 October? (a) Saturday (b) Thursday (c) Friday (d) Sunday
29. 29.If 8 December is a Thursday, what day of the week is 17 December? (a) Monday (b) Sunday (c) Saturday (d) Friday
30. 30.If 1 August is a Monday, what day of the week is 11 August? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
31. 31.Today is Sunday. What day of the week will it be after 53 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
32. 32.Today is Monday. What day of the week will it be after 20 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
33. 33.If 12 August is a Sunday, what day of the week is 23 August? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
34. 34.Today is Wednesday. What day of the week will it be after 28 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
35. 35.If 18 August is a Tuesday, what day of the week is 20 September? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
36. 36.If 30 April is a Tuesday, what day of the week is 18 May? (a) Monday (b) Saturday (c) Sunday (d) Friday
37. 37.If 9 December is a Thursday, what day of the week is 21 December? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
38. 38.If 5 March is a Monday, what day of the week is 13 March? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
39. 39.If 2 January is a Saturday, what day of the week is 14 January? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
40. 40.If 27 March is a Tuesday, what day of the week is 1 April? (a) Monday (b) Saturday (c) Tuesday (d) Sunday

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