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प्रश्न
Irfan’s mother is twice as old as him. She is also 20 years older than him. Guess the ages of Irfan and his mother.
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उत्तर
Irfan’s age is 20 years and his mother’s age is 40 years.
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संबंधित प्रश्न
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.
How many days make a week?
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 |
Arrange the festivals in the order in which they come in the year.
How many such lines can you draw?
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 =
Is this magic possible on a 10 × 10 number chart? Go to the Chapter ‘Fun with Numbers’ and check.
What is the day on the 29th? What will be the date on the same day next week?
Which months in the calendar (2020) have 5 Sundays?
Is there any other day in any month which comes 5 times?
