Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 929 · 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 Sunday, what day of the week is 29 January? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
2. 2.If 7 January is a Friday, what day of the week is 21 January? (a) Sunday (b) Thursday (c) Friday (d) Saturday
3. 3.Today is Friday. What day of the week will it be after 99 days? (a) Friday (b) Saturday (c) Sunday (d) Monday
4. 4.If 23 January is a Tuesday, what day of the week is 2 February? (a) Saturday (b) Sunday (c) Thursday (d) Friday
5. 5.If 13 August is a Wednesday, what day of the week is 22 August? (a) Sunday (b) Friday (c) Saturday (d) Thursday
6. 6.Today is Thursday. What day of the week will it be after 99 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
7. 7.If 13 July is a Thursday, what day of the week is 29 July? (a) Saturday (b) Friday (c) Monday (d) Sunday
8. 8.If 14 April is a Wednesday, what day of the week is 20 May? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
9. 9.Today is Friday. What day of the week will it be after 21 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
10. 10.Today is Wednesday. What day of the week will it be after 92 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
11. 11.If 20 July is a Wednesday, what day of the week is 2 August? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
12. 12.If 5 March is a Wednesday, what day of the week is 17 March? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
13. 13.If 24 June is a Wednesday, what day of the week is 5 July? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
14. 14.If 29 August is a Tuesday, what day of the week is 3 September? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
15. 15.If 16 May is a Tuesday, what day of the week is 15 June? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
16. 16.If 3 March is a Monday, what day of the week is 13 March? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
17. 17.If 18 January is a Saturday, what day of the week is 6 February? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
18. 18.Today is Thursday. What day of the week will it be after 39 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
19. 19.If 11 August is a Sunday, what day of the week is 22 August? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
20. 20.If 14 March is a Tuesday, what day of the week is 22 March? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
21. 21.If 1 January is a Thursday, what day of the week is 9 January? (a) Thursday (b) Sunday (c) Friday (d) Saturday
22. 22.Today is Wednesday. What day of the week will it be after 18 days? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
23. 23.If 3 March is a Tuesday, what day of the week is 19 March? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
24. 24.Today is Friday. What day of the week will it be after 30 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
25. 25.Today is Saturday. What day of the week will it be after 17 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
26. 26.If 10 March is a Friday, what day of the week is 23 March? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
27. 27.If 12 October is a Tuesday, what day of the week is 20 October? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
28. 28.If 1 March is a Sunday, what day of the week is 17 March? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
29. 29.If 3 August is a Monday, what day of the week is 16 August? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
30. 30.Today is Monday. What day of the week will it be after 73 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
31. 31.Today is Friday. What day of the week will it be after 55 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
32. 32.Today is Friday. What day of the week will it be after 18 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
33. 33.If 15 March is a Sunday, what day of the week is 23 March? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
34. 34.If 10 January is a Monday, what day of the week is 25 January? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
35. 35.If 11 October is a Monday, what day of the week is 19 October? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
36. 36.If 14 March is a Monday, what day of the week is 23 March? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
37. 37.If 9 March is a Monday, what day of the week is 22 March? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
38. 38.If 4 October is a Tuesday, what day of the week is 13 October? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
39. 39.If 10 July is a Saturday, what day of the week is 23 July? (a) Thursday (b) Sunday (c) Saturday (d) Friday
40. 40.If 20 April is a Friday, what day of the week is 8 May? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday

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