Question : Directions: Select the option related to the fifth term in the same way as the second term is related to the first term and the fourth term is related to the third term.
AR9 : DN81 :: PS4 : SO16 :: MT9 : ?
Option 1: PQ81
Option 2: PR729
Option 3: PP81
Option 4: PP729
Correct Answer: PP81
Solution :
Given:
AR9 : DN81 :: PS4 : SO16 :: MT9 : ?
Add 3 to the place value of the first letter, subtract 4 from the place value of the second letter, and find the square of the number, to obtain the second term –
Like, AR9 : DN81→A + 3 = D; R – 4 = N; 9
2
= 81
Thus, AR9 is related to DN81.
And, PS4 : SO16→P + 3 = S; S – 4 = O; 4
2
= 16
Thus, PS4 is related to SO16.
Similarly, follow the same pattern for MT9 : ?→
M + 3 = P; T – 4 = P; 9
2
= 81
Thus, PP81 is related to MT9. Hence, the third option is correct.
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