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प्रश्न
By re-arranging the given numbers evaluate :
21 + 22 + 23 + 24 + 25 + 75 + 76 + 77 + 78 + 79
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उत्तर
21 + 22 + 23 + 24 + 25 + 75 + 76 + 77 + 78 + 79
= (21 + 79) + (22 + 78) + (23 + 77) + (24 + 76) + (25 + 75) (by associative law)
= 100 + 100+ 100+ 100 + 100 = 500
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संबंधित प्रश्न
Fill in the blank:
Smallest natural number is _________
Fill in the blank:
286 + 0 = ______
By re-arranging the given numbers evaluate :
237 + 308 + 163
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State True or False:
The sum of two even numbers is an even number.
State True or False:
The sum of two even numbers is an odd number.
- In each of the following patterns, construct next figure.
- In each case, if n denotes the number of figure and F denotes the number of matchsticks used, find F in terms of n.
- Also find, in each case, how many matches are required to make the: 16th figure and 30th figure.
Every number is a multiple of itself.
Is the following statement true (T) or false (F)?
All natural numbers are whole numbers.
What is the correct set notation for natural numbers?
