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Ankit

· started a discussion

· 1 Months ago

provide explaination (Question: 400451.3 )

must provide explaination as soon as possible

Question:
DIRECTIONS: Select the related word/letters/number from the given alternatives.

41537 : 4 : : 421 : ?

Options:
A) 50
B) 137
C) 2
D) 49
Solution:
Ans: (d) 


Knowledge Expert

· commented

· 1 Months ago

Dear Student,
Consider 41537 : 4
In 41537 , sum of digits = 4+1+5+3+7 = 20
In 20 , sum of digits is 2+0 = 2
Square of 2 = 4

Now use the same logic,
In 421 , sum of digits = 4+2+1 = 7
Square of 7 = 49
Therefore D is the required answer.

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