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E:\Working\Focus_Learning\Math_Genius_3_(11-09-2024)\Open_Files\CHAP_10
\ 11-Sep-2024 Surender Prajapati Proof-5 Reader’s Sign _______________________ Date __________

• For this reason, the years 1700, 1800, and 1900 were not leap years. But the years
1600 and 2000 were leap years.

Practice time 10e

1. Look at the given calendar of the year 2025.

Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa
1 2 3 4 1 30 31 1 1 2 3 4 5
5 6 7 8 9 10 11 2 3 4 5 6 7 8 2 3 4 5 6 7 8 6 7 8 9 10 11 12
12 13 14 15 16 17 18 9 10 11 12 13 14 15 9 10 11 12 13 14 15 13 14 15 16 17 18 19
19 20 21 22 23 24 25 16 17 18 19 20 21 22 16 17 18 19 20 21 22 20 21 22 23 24 25 26
26 27 28 29 30 31 23 24 25 26 27 28 23 24 25 26 27 28 29 27 28 29 30

Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa
1 2 3 1 2 3 4 5 6 7 1 2 3 4 5 31 1 2
4 5 6 7 8 9 10 8 9 10 11 12 13 14 6 7 8 9 10 11 12 3 4 5 6 7 8 9
11 12 13 14 15 16 17 15 16 17 18 19 20 21 13 14 15 16 17 18 19 10 11 12 13 14 15 16
18 19 10 21 22 23 24 22 23 24 25 26 27 28 20 21 22 23 24 25 26 17 18 19 20 21 22 23
25 26 27 28 29 30 31 29 30 27 28 29 30 31 24 25 26 27 28 29 30

Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa
1 2 3 4 5 6 1 2 3 4 30 1 1 2 3 4 5 6
7 8 9 10 11 12 13 5 6 7 8 9 10 11 2 3 4 5 6 7 8 7 8 9 10 11 12 13
14 15 16 17 18 19 20 12 13 14 15 16 17 18 9 10 11 12 13 14 15 14 15 16 17 18 19 20
21 22 23 24 25 26 27 19 20 21 22 23 24 25 16 17 18 19 20 21 22 21 22 23 24 25 26 27
28 29 30 26 27 28 29 30 31 23 24 25 26 27 28 29 28 29 30 31
Name:
(a) the number of months have exactly 30 days.

(b) the number of months have 31 days.
(c) two consecutive months having the same number of days in a year.

(d) the total number of Fridays in the year.

(e) all the months having 5 Saturdays and 5 Sundays.

(f) the first day of the year.

(g) the last day of the year.

2. tick () the leap years and cross () the years which are not leap years.

1200 1800 2018 2016 2023 1750 2024

WRiting dates

When we write a date for a particular day in a year, we specify the number of the day in

a month (that is, date), the name of the month and then the year.

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