# Quantitative Aptitude – Mixed Questions Set 1

Hello Aspirants.

Welcome to Online Quantitative Aptitude Section in AffairsCloud.com. Here we are creating question sample in Number Series and Quadratic Equations based on prelim pattern, which is common for SBI,IBPS, RBI,LIC, NICL and other  competitive exams.

1. X² – 26√3X + 504 = 0
Y² – 34 √2Y + 570 =0
A. X > Y
B. X < Y
C. X ≥ Y
D. X ≤ Y
E. X = Y or relationship cannot be established
Answer – E. X = Y or relationship cannot be established
Explanation :
X = 12√3 = 20.784 , 14√3 = 24.248
Y = 15√2 = 21.213 , 19√2 = 26.870

2. X² – √6 ( (√3 + √ 2 )x + 6) = 0
Y² √2 ( 3Y + 6) +6√6 = 0
A. X > Y
B. X < Y
C. X ≥ Y
D. X ≤ Y
E. X = Y or relationship cannot be established
Answer – A. X > Y
Explanation :
X = 16√2, 17√2
Y = 13√3, 12√3

3. X² – 33√2 X + 544 = 0
Y² – 15√3 Y + 468 = 0
A. X > Y
B. X < Y
C. X ≥ Y
D. X ≤ Y
E. X = Y or relationship cannot be established
Answer – E. X = Y or relationship cannot be established
Explanation :
X = 3√2, 2√3
Y = 3√2, 2√3

4. X² – 30X + 224 = 0
Y² – 26Y + 168 = 0
A. X > Y
B. X < Y
C. X ≥ Y
D. X ≤ Y
E. X = Y or relationship cannot be established
Answer – C. X ≥ Y
Explanation :
X² – 30X + 224 = 0
X = 14 16
Y² – 26Y + 168 = 0
Y = 12 14

5. X² – 27√3X + 546 = 0
Y² – 31√3Y + 720 = 0
A. X > Y
B. X < Y
C. X ≥ Y
D. X ≤ Y
E. X = Y or relationship cannot be established
Answer – B. X < Y
Explanation :
X = 14√3 , 13√3
Y = 15√3, 16√3

6. 5, 15, 120, 7620, ?
A. 29306010
B. 39210600
C. 67230120
D. 30092100
E. None
Explanation :
5*6-(5*6/2)=15
15*16 –( 15*16/2)= 120
120 * 121 –(120*121/2) = 7260
7260* 7261-(7260*7261/2) = 29306010

7. 7, 14, 42, 147, 469, ?
A. 2240
B. 2800
C. 2380
D. 2100
E. None
Explanation :
7*1 + 7*1 =14
14*2 + 7*2 = 42
42*3 + 7*3 = 147
147*4 + 7*4 = 469
469*5 + 7*5 = 2380

8. 9, 9.5,19.5, 59, ?
A. 225
B. 225.5
C. 236
D. 236.5
E. None
Explanation :
9*1 + 0.5 = 9.5
9.5 *2 + 0.5 = 19.5
19.5 * 3 + 0.5 = 59
59*4 + 0.5 = 236.5

9. 1, 0, 2, 3, ?, 35
A. 16
B. 18
C. 17
D. 19
E. None
Explanation :
1*1 – 1 = 0
0 *2 + 2 =3
2*3 – 3 =3
3*4 + 4 = 16
16*5 – 5 = 75

10. 2, 10, 20, 100, 200,1000, ?
A. 1000
B. 2000
C. 2500
D. 10000
E. None