15 45 75 49 What is the next number in the given picture
In the given picture, First stack represents 15, next 45, next 75 and next 49 what will be the value of the next stack ??
Well matching the colors of the circles and their correspondent value with the last figure of circles i think the answer is
14
Here is the thought process –
In first figure the values of each circle (from bottom to up)are =
X + X-5 + X-10 + X-15 + X-20 = 15
X is the darkest blue
So, x comes out to be 13
First row- 13,8,3,-2,-7
similarly the next figure values are = 19,14,9,4,-1
the values for the third figure = 25,20,15,10,5
the forth circle values (matching the colors of the circles with the previous three ) = 13,19,25,-7,-1
adding the values of circles for each series we have the series as 15,45,75,49
so the fifth circle values according to their colors are = -7,-1,-2,4,20
so the total of this series of circles are = 14
And=32
1st column in ascending order values are 1-2-3-4-5, total 15
2nd column in ascending order is three times of first column. 3-6-9-12-15,total 45
3rd column in ascending order is five times of first column. 5-10-15-20-25, total 75
Hence value of every shaded circle is decided
4th column is 3+1+25+15+5, total49
Hence 5th column is 20+6+2+3+1=32
Your Answer
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