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प्रश्न
By re-arranging the given numbers evaluate :
1 + 2 + 3 + 4 + 596 + 597 + 598 + 599
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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
Notes
1 + 2 + 3 + 4 + 596 + 597 + 598 + 599
= (1 + 599) + (2 + 598) + (3 + 597) + (4 + 596) (By associative law)
= 600 + 600 + 600 + 600 = 2400
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संबंधित प्रश्न
Fill in the blank:
286 + 0 = ______
State True or False:
The sum of two odd numbers is an even number
(16 – 8) x 24 = _________ = _______
16 x 24 – 8 x 24 =_______ – ______ = _______
Is (16 – 8) x 24 = 16 x 24 – 8 x 24 ? ________
Is the type of result always true ? ________
Name the property used here _________
Fill in the blank :
32 x 15 = 32 x 6 + 32 x 7 + 32 x ______
Evaluate using properties :
333 x 987 + 13 x 3333
Divide 5936 by 43 to find the quotient and remainder. Also, check your division by using the formula, dividend = divisor x quotient + remainder.
Solve:
111 ÷ 3 = 37
222 ÷ 6 = 37
333 ÷ 9 = 37
Complete the following magic squares:
| 6 | 7 | _______ |
| _______ | 5 | 9 |
| 8 | _______ | 4 |
LCM of 10, 15 and 20 is ______.
The smallest natural number is zero.
