Quantitative Aptitude for RBI Grade B & ECGC PO Quiz 9

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)

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