Question : Directions: In a certain code language, 591 means sky is blue, 256 means sea is deep, and 609 means sea looks blue. Which number is the code for blue in that language?
Option 1: 0
Option 2: 9
Option 3: 1
Option 4: 5
Correct Answer: 9
Solution :
Given:
(I) 591⇒sky is blue
(II) 256⇒sea is deep
(III) 609⇒sea looks blue
By comparing all the three coded sentences, we find that –
In sentences I and II,
5
and
is
are common.
In sentences II and III,
6
and
sea
are common.
In sentences I and III,
9
and
blue
are common.
The remaining words and codes in sentence I are
1
and
sky
; in sentence
II are
2
and
deep
; in sentence III are
0
and
looks
.
Finally, 5⇒is, 6⇒sea, 9⇒blue, 1⇒sky, 2⇒deep, 0⇒looks.
So, blue is coded as 9. Hence, the second option is correct.
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