Question

P Flag question
Which square completes this series ?
?
Select one:​

Answer 1

Answer:

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Step-by-step explanation:

The series followed in the upper line is

15, 159-15=144, 259-159=100, 323-259=64

That is the difference is the square of alternate numbers

Therefore, in the series below

7, 144+7=151=P,

151+100=251=Q,

251+64=315=R

Answer 2

Answer:

The series followed in the upper line is

15, 159-15=144, 259-159=100, 323-259=64

That is the difference is the square of alternate numbers

Therefore, in the series below

7, 144+7=151=P,151+100=251=Q, 251+64=315=R