Latest self Aptitude Question SOLUTION: Find first and last value in the below series ???, 0.57735, 0.44721, 0.37796, ???

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(#M40008887) SELF question Upto 4 or 5 decimals. Keep an EYE

Find first and last value in the below series

???, 0.57735, 0.44721, 0.37796, ???

Solution

Solution by both PARGAT PAL SINGH and VIGNESH are correct.

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Vignesh (12 years ago)

Solved Pargat Pal Singh Read Solution (3)

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Pargat Pal Singh  (12 years ago)

First number is 1
last number =0.33333

???, 0.57735, 0.44721, 0.37796, ???

1, 0.57735, 0.44721, 0.37796, 0.33333

series is made by numbers
root 1/1
root 3/3
root5 / 5
root7/7
root9/9 =3/9 =1/3=0.3333

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Vignesh  (12 years ago)

Another possible Solution also there.

First Number is 0.70710
Last Number is 0.30151

Series is in consecutive prime numbers like,
root of 2/2 =0.70710
root of 3/3 =0.57735
root of 5/5 =0.44721
root of 7/7 =0.37796
root of 11/11=0.30151

Final = 0.70710, 0.57735, 0.44721, 0.37796, 0.30151

Is this solution Helpfull? Yes (2) | No (1)  

Vignesh  (12 years ago)

Solution is

First Number is 0.70710
Last Number is 0.30151

Series is in consecutive prime numbers like,
(root of 2)/2 =0.70710
(root of 3)/3 =0.57735
(root of 5)/5 =0.44721
(root of 7)/7 =0.37796
(root of 11)/11=0.30151

Final = 0.70710, 0.57735, 0.44721, 0.37796, 0.30151

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