Latest IBM Aptitude Question SOLUTION: 1/2,1/4,3/4,3/8,7/8,7/16

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(#M40010990) IBM Numerical Ability question Number Series asked on sep-12 Keep an EYE

1/2,1/4,3/4,3/8,7/8,7/16

Asked In IBM kotaadithyakumar (12 years ago)

Unsolved Read Solution (5)

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Read Solution (5) :

ritwick  (12 years ago)

1/2,1/4,3/4,3/8,7/8,7/16;its a specific pattern of devision and additon which can be easily seen
(1/2)/2="1/4"+1/2=("3/4")/2="3/8"+1/2=("7/8")/2=("7/16")+1/2="15/16"ANS

Is this solution Helpfull? Yes (27) | No (1)  

Devendra Marghade  (12 years ago)

Ans=15/16
Numerator order 1,1,3,3,7,7,15,15 (increasing by 2,4,8,.. )
Denominator order 2,4,4,8,8,16,16,32(increasing in the multiple of 2)

Is this solution Helpfull? Yes (15) | No (1)  

mogal samrat  (12 years ago)

ans:15/16
take two digits one set and every set 1st digit multifing with 1/2 get 2nd digit and add numerator and dinumerator of 1st digit and divide the 2nd digit denumerator get the next set 1st digit.
1/2*1/2=1/4,(1+2=3)/4=3/4
3/4*1/2=3/8,(3+4=7)/8=7/8
7/8*1/2=7/16,(7+8=15)/16=15/16

Is this solution Helpfull? Yes (4) | No   

jagaa  (12 years ago)

ANS=11/16
Numerator order 1,1,3,3,7,7,15,15 (increasing by 2,4,8,.. )
Denominator order 2,4,4,8,8,16,16,32(increasing in the multiple of 2)

Is this solution Helpfull? Yes (1) | No (7)  

ASWINI  (12 years ago)

HALF OF 1/2 ie (1/2)/2=1/4
(1/4)/2=3/4....so ans will be
(7/16)/2=7/32..

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