SSC CGL Tier II 12 Jan 2017 Paper 1

Question : 23 of 100

Marks: +1, -0

In a coloured picture of blue and yellow color, blue and yellow colour is used in the ratio of 4 : 3 respectively. If in upper half, blue : yellow is 2 : 3, then in the lower half blue : yellow is

1 : 1
2 : 1
26 : 9
9 : 26

Validate

Solution:

(3) In coloured picture,
Blue part

= {4}/{7}

Yellow part

= {3}/{7}

In upper half,
Blue part

= {2}/{5× 2}= {1}/{5}

Yellow part

= {3}/{5× 2}= {3}/{10}

In lower half,
Blue part

= {4}/{7}- {1}/{5}= {20-7}/{35}=13/35

Yellow part

= {3}/{7}- {3}/{10}= {30-21}/{70}= {9}/{70}

∴

Required ratio

= {13}/{35} : {9}/{70}

=26 : 9

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