Question

33. Which number will replace the question
mark (?) in the number pattern given
below?
9
:) 27
.:
?
(A) 316
(C) 291
(E) None of these
(B) 1135
(D) 377​

Answer 1

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

Answer 2

these questions answer is 291