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Discussion

Preparation for NTSE / NSEJS / KVPY - Grade 10
(5)

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Directions: There is a certain relationship between the two numbers/words/letters on each side of (: :). Find the missing number/word/letter so that both the pairs have the same relationship.

42 : 56 : : 72 : ?

 
90
92
100
51

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Prerna

The question is based on  the following pattern:

6 x  7 : 7  x 8 : : 8 x 9 : 9 x 10
 

So , 9  x 10 = 90

Gauri

42:56=3:4 So,72:96should be the right answer according to proportion rule but 96 is not there in the options. Please make it clear.