Mathematics
Grade9
Easy
Question
A dot pattern is shown below. What would the total number of dots be in the 6th figure?
- 28
- 21
- 36
- 32
Hint:
No of Dots in 1st = 1
No of dots in 2nd = 3 = 2+1
No of dots in 3rd = 6 = 3+2+1
So siimilarly for 6th image we have = 6+5+4+3+2+1 = 21
The correct answer is: 21
In the figure we were given with a pattern and asked to find the no of dots in the 6th image so we can do it by obbserving the first three stages carefully
In the solution first we observed all the images and then based on the feedback we got we found no of dots in 6th image = 21 dots
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