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प्रश्न
Add the three numbers on each of these lines. What do you notice?
5 + 13 + 21 =
6 + 13 + 20 =
7 + 13 + 19 =
12 + 13 + 14 =
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उत्तर
5 + 13 + 21 = 39
6 + 13 +20 = 39
7 + 13 + 19 = 39
12 + 13 + 14 = 39
On adding these numbers, it is noticed that the total of each such line is the same.
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संबंधित प्रश्न
Think of some other things, some faster and some slower. Make a long list.
Write your date of birth in numbers.
Let us look at the calendar for the year 2020.
List the months which have 30 days.
Let us look at the calendar for the year 2020.
In which month did you come to class III?
Let us look at the calendar for the year 2020.
Make a circle on these dates in the Calender:
- 26th January
- 14th November
- 31st December.
Is there something special about these dates?
Fill in the blanks with the correct year:
| 2017 | 2020 | 2019 | 2018 | 2021 | 2023 |
In which year were you in class II?
Given below are some festivals we celebrate during the year. Look at the calendar (2020) to find the days on which these fall.
| Name of the festival | Date | Day |
| Diwali | 14 November | |
| Pongal | 15 January | |
| Raksha Bandhan | 3 August | |
| Gandhi Jayanti | 2 October | |
| Milad-Ul-Nabi | 29 October | |
| Onam | 22 August | |
| Guru Nanak's Birthday | 30 November | |
| Guru Ravidas's Birthday | 16 February | |
| Christmas Day | 25 December | |
| Bihu | 14 April |
Which festival comes at the end of the year?
See if this magic works for other lines which have five numbers. What about five numbers on a slanting line? Try this trick with your family and friends. Can you find other magic patterns in the calendar?
Colour all the Sundays in red.
