Advertisements
Advertisements
प्रश्न
See the following pattern carefully:
- If n denotes the number of figures and S denotes the number of matches; find S in terms of n.
- Find how many matches are required to make the :
(1) 15th figure
(2) 40th figure - Write a discretion of the pattern in words.
योग
Advertisements
उत्तर
-
n 1 2 3 4 S 7 10 13 16
S = 3n + 4 - (1) 15th figure has = 3 x 15 + 4 = 49 matches
(2) 40th figure has = 3 x 40 + 4 = 124 matches - It can easily be observed that each time the figure (n) is increased by 4, the number of matches (S) increased by 3.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
Largest natural number is _________
Fill in the blank:
332 + 497 = ______ + 332
Fill in the blank:
286 x 1 = ______
Which property of addition is satisfied by :
3+ (5 + 4) = (3 + 5)+ 4
(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 :
229 x ________ = 578 x 229
By re-arranging the given numbers evaluate :
25 x 444 x 4
Use distributive law to evaluate :
446 x 10002
Evaluate using properties :
924 x 988
- 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.
