Five circle- adjacent to each other in ascending order, first dia 8 and last dia 18, find mid one.
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Answer / alok patil
18-8=10
10/4=2.5
1st circle dia= 8
2nd circle dia= 8+2.5= 10.5
3rd circle dia= 8+ 2.5+ 2.5= 13
4th circle dia= 8+ 2.5+ 2.5+ 2.5= 15.5
5th circle dia= 8+ 2.5+ 2.5+ 2.5+ 2.5= 18
mid circle dia ( 3rd one)= 13
Is This Answer Correct ? | 88 Yes | 6 No |
Answer / rahul wagh
Consider The Que in A.P. and solve An=A+(n-1)*d
An=18, A=8, n=5, So d=2.5 So A3=13
Is This Answer Correct ? | 31 Yes | 3 No |
Answer / subbu
Depends on the type of progression that the diameters increase- AP, GP, Exp........
If they are in an AP, the answer is 13.
If they are in a GP, the answer is 12.
Is This Answer Correct ? | 1 Yes | 0 No |
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