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Q.

64 : 10 : : 81 : ______

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Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

11

b

13

c

12

d

15

answer is D.

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Detailed Solution

64 : 10 : : 81 : 11

squareroot of 64 plus 2 is equal to 10

similarly squareroot of 81 plus 2 is equal to 11

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