Quantitative Aptitude for RBI Grade B & ECGC PO Quiz 9

Quant Quiz to boost your Quantitative Aptitude for SBI PO and SBI Clerk exams, IBPS PO Reasoning, IBPS Clerk Reasoning, IBPS RRB Reasoning, LIC AAO,LIC Assistant, and other competitive exams.

**Direction (1 -5): What should come in place of the question mark (?) in the following series.**

**Q1. 17 , 9 , 10 , 16.5 , 35, ?**

1. 90

2. 90.5

3. 94.5

4. 91.5

5. 92

**Q2. 20, 26, 38, 56, 80, ?**

1. 128

2. 110

3. 124

4. 130

5. 126

**Q3. 110, ?, 102, 126, 94, 134**

1. 112

2. 96

3. 118

4. 120

5. 92

**Q4. 7, 35, 140, 420, ?, 840**

1. 700

2. 940

3. 740

4. 840

5. 640

**Q5. 120, 59, 28.5 ,13.25, ?**

1. 5.265

2. 6.625

3. 5.625

4. 5.526

5. 6.645

**Q6. In the following questions there are two equations given. You have to solve both the equations and give answer:**

I. 6y²+19y-25=0

II. x²-44x+363=0

1. x > y

2. x ≥ y

3. x < y

4. x ≤ y

5. x = y or no relation can be established between x and y

**Q7. In the following questions there are two equations given. You have to solve both the equations and give answer:**

I.6x²+23x+20=0

II. 3y²+7y+4=0

1. x > y

2. x ≥ y

3. x < y

4. x ≤ y

5. x = y or no relation can be established between x and y.

**Q8. In the following questions there are two equations given. You have to solve both the equations and give answer:**

I. x² +(14)² = (15)² + 35

II y = ∛512

1. x > y

2. x ≥ y

3. x < y

4. x ≤ y

5. x = y or no relation can be established between x and y.

**Q9. In the following questions there are two equations given. You have to solve both the equations and give answer:**

I.6x² + 13x + 6 = 0

II 2y² + 9y + 10 = 0

1. x > y

2. x ≥ y

3. x < y

4. x ≤ y

5. x = y or no relation can be established between x and y.

**Q10. In the following questions there are two equations given. You have to solve both the equations and give answer:**

I.x² + 19x + 90 = 0

II y² + 10y + 9 = 0

1. x > y

2. x ≥ y

3. x < y

4. x ≤ y

5. x = y or no relation can be established between x and y

**Solutions**

**Q1. Ans(1)**

Pattern of series

17 × 0.5 + 0.5 = 9

9 × 1 + 1 = 10

10 × 1.5 + 1.5 = 16.5

16.5 × 2 + 2 = 35

35× 2.5 + 2.5 = **90**

**Q2. Ans(2)**

Pattern of series

20+6=26

26+12 = 38

38+18 =56

56+24 = 80

80+30 = **110**

**Q3.Ans(3)**

Pattern of series

110+8 = **118**

118-16 = 102

102+24 = 126

126-32 = 94

94+40 = 134

**Q4. Ans(4)**

Pattern of series

7×5=35

35×4=140

140×3=420

420×2= **840**

840 ×1=840

**Q5. Ans(3)**

Pattern of series

120 ÷ 2 – 1 = 59

59 ÷ 2 – 1 = 28.5

28.5 ÷ 2 – 1 = 13.25

13.25÷ 2 – 1 **= 5.625**

5.625 ÷2-1 = 1.8125

**Q6. Ans(1)**

**Q7. Ans(4)**

**Q8. Ans(4)**

**Q9. Ans(1)**

**Q10. Ans(4)**