SBI PO Prelims 2017: Quantitative Aptitude Quiz – Set 15 | Series & Quadratic Equations

Questions
{1-4}: In each of these questions a number series is given. In each series only
one number is wrong. Find out that number.

Q 1. 5, 22, 56, 116, 205, 330, 497

(1) 5

(2) 56

(3) 116

(4) 330

(5) 497

Q 2. 14, 29, 50, 77, 110, 150, 194

(1) 14

(2) 29

(3) 77

(4) 150

(5) 194

Q 3. 176, 275, 396, 539, 704, 891, 998

(1) 176

(2) 275

(3) 539

(4) 704

(5) 998

Q 4. 10/3, 10, 50/3,
70/3, 30, 118/3, 130/3

(1) 10

(2) 70/3

(3) 30

(4) 118/3

(5) 130/3

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Questions
{5-9}: Two equations (I) and (II) are given in each
question. On the basis of these equations you have to decide the relation
between ‘X’ and ‘Y’ and give answer.

(1) If X>Y

(2) If X=Y

(3) If X>=Y

(4) If X <=Y

(5) If X = Y or no relation can be
established between ‘X’ and ‘Y’

Q 5. 6×2 – 19x + 15 = 0 and 10y2
– 29y + 21 = 0

Q 6. 12×2 + 11x – 56 = 0 and 4y2
– 15y + 14 = 0

Q 7. 3×2 + 13x + 12 = 0 and y2
+ 9y + 20 = 0

Q 8. 8×2 – 15x + 7 = 0 and 2y2
– 7y + 6 = 0

Q 9. 7x – 3y = 13 and 5x + 4y = 40

Answers:
1 – (2)
2 – (4)
3 – (5)
4 – (4)
5 – (3)
6 – (4)
7 – (1)
8 – (2)

9 – (2)