Advertisements
Advertisements
प्रश्न
By re-arranging the given numbers evaluate :
21 + 22 + 23 + 24 + 25 + 75 + 76 + 77 + 78 + 79
Advertisements
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
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
All natural numbers are _________
By re-arranging the given numbers evaluate :
1 + 2 + 3 + 4 + 596 + 597 + 598 + 599
Fill in the blank :
328 x 573 = ________ x 328
Fill in the blank :
32 x 15 = 32 x 6 + 32 x 7 + 32 x ______
Fill in the blanks :
83 x 54 + 83 x 16 = 83 x ( _______ ) = 83 x ______ = _________.
Use distributive law to evaluate :
984 x 102
Evaluate using properties :
55873 x 94 + 55873 x 6
Solve:
1 x 9 + 1 = 10
12 x 9 + 2 = 110
123 x 9 + 3 = 1110
Two numbers having only 1 as a common factor are called _____ numbers.
Write the next three natural numbers after 10999.
