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# IBPS RRB PO Pre: Memory Based Quant Qs (12 Sep)

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Question 1

Direction: What should come in place of the question mark '?' in the following number series?

20, 12, 14, 23, 48, ?

Question 2

Direction: What should come in place of the question mark '?' in the following number series?
19, 20, 42, 129, ?, 2605

Question 3

Direction: What should come in place of the question mark '?' in the following number series?
3.5 2.5 3 6 20 ?

Question 4

Direction: What should come in place of the question mark '?' in the following number series?
1.5, 3, 12, 72, ?

Question 5

Direction: What should come in place of the question mark '?' in the following number series?
150, 148, 143, 133, 116, ?

Question 6

Direction: In the following question two equations are given in variables X and Y. You have to solve these equations and determine the relation between X and Y.

I. X2 - 11X + 30 = 0

II. Y2 + 12Y + 36 = 0

Question 7

Direction: In the following question two equations are given in variables X and Y. You have to solve these equations and determine the relation between X and Y.
I. X2 + 13X + 40 = 0

II. Y2 +7Y + 10 = 0

Question 8

Direction: In the following question two equations are given in variables X and Y. You have to solve these equations and determine the relation between X and Y.
I. X2 - X - 12 = 0

II. Y2 + 5Y + 6 = 0

Question 9

Direction: In the following question two equations are given in variables X and Y. You have to solve these equations and determine the relation between X and Y.
X3 = 64

Y2= 16

Question 10

Direction: In the following question two equations are given in variables X and Y. You have to solve these equations and determine the relation between X and Y.
I. X2 + 9X + 20 = 0

II. 8Y2 − 15Y + 7 = 0

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