## 22 Jun 2017

### Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-10)

Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-10):
Dear Readers, Nowadays most of the aspirants are facing huge trouble to increase the overall marks. To score high you need to practice more and more standard questions daily. “Practice does not make perfect, Only Perfect Practice makes perfect”.

Here in Scoring Part we are providing 10 Questions in simplification, 10 Questions in Approximation, 5 Questions in number Series and 5 Questions in Quadratic Equations, total 30 questions in 20 Minutes. By practicing these questions regularly you can increase your calculation speed and it will help you to increase your score.

00:00:00

Direction (1-10): What value should come in place of question mark (?) in the following questions?
1). 47376 ÷ ? = 47 × 56
12
14
16
18
20
? = 47376 / (47 × 56) = 18
2. 207.301 - 171.092 + 781.88 - 11.35 - 0.729 = ?
812.01
818.01
801.01
806.01
810.01
207.301 - 171.092 + 781.88 - 11.35 - 0.729 = ?
? = 989.181 – 183.171
? = 806.01
3. 13.5% of 184 - 4.75% of 48 = ?% of 141
20
16
12
8
None of these
? × 141 / 100 = 24.84 - 2.28 = 22.56
? = 22.56 × 100 / 141 = 16

4. [7569 ÷ 29 × 48] ÷ 18 = 12 × ?
56
58
62
64
68
12 × ? = [7569 / 29 × 48] ÷ 18
12 × ? = 261 × 48 /18 = 696
? = 696 / 12
? = 58

5). (0.2)^(3/2) × 0.008 ÷ 1/√0.2 = (0.2)^?
1
2
3
4
5
(0.2)^? = (0.2)^(3/2) × (0.2)^3 ÷ (0.2)^(-1/2)
(0.2)^? = (0.2)^(3/2 + 3 + 1/ 2) = (0.2)^5
? = 5

6. 34.2 × 17.4 × 1.5 = 2 × ?
432.12
440.62
446.31
448.32
452.4
? = 34.2 × 17.4 × 1.5 / 2
? = 892.62 / 2 = 446.31

7. (7776)^1.3 × (36)^1.25 ÷ (216)^2 ÷ (1296)^-1 = 6^?
3
4
5
6
7
(6)^? = (65)^1.3 × (6^2)^1.25 ÷ (6^3)^2 ÷ (6)4)^-1
(6)^? = (6)^6.5 × (6)^2.5 ÷ (6)^6 ÷ (6)^-4
(6)^? = (6)^(6.5+2.5-6+4) = (6)^7
? = 7

8. √1.8225 × √70.56 = ?
11.34
9.72
12.46
8.84
None of these
? = √1.8225 × √70.56 = 1.35 × 8.4
? = 11.34
9. 30% of 5/7 of 3/13 of 16/15 of 10920 = ?
448
480
524
576
590
? = (30 × 5 × 3 × 16 × 10920) / (7 × 13 × 15 × 100)
? = 576

10.3 5/7 × 11 2/3 ÷ 4 5/42 ÷ 13/5 × 259.5 = ?
920
1050
1130
1280
1520
? = 26 / 7 × 35 / 3 × 42 / 173 × 5 /13 × 2595 / 10
? = 1050

Direction (11-20): What approximate value should come in place of question mark (?) in the following questions?
11.(√7220 ÷ 16.96) × 14.04 = ?
55
60
65
70
75
? ≈ (85 ÷ 17) × 14
? = 5 × 14 = 70

12. 13.79 × 44.94 + (13.1)^2 = ?
650
760
790
840
880
? ≈ (13.8 × 45) + 170
? ≈ 620 + 170 = 790
13. ³√54870 = ?
35
36
37
38
39
? = ³√54870
? ≈ 38
14. 1.35% of 5720 + 12.8% of 45 = ?
81
83
85
87
89
? = 1.35 × 5720 /100 + 12.8 × 45 / 100
? = 77.22 + 5.76 = 82.98 ≈ 83
15. (1679.8 ÷12.98) + (2020)^1/2 = ?
155
165
175
185
195
? ≈ 1680 / 13 + √2020
? ≈ 130 + 45 = 175
16. 172% of 1155 + 2.75% of 275 = ?
1990
1994
1998
2040
1986
? = 172 × 1155 / 100 + 2.75 × 275 / 100
? = 1986.6 + 7.5625
? = 1994.1625 ≈ 1994
17. 7130 × 19.87 + 13.06 × 1921 = ?
167560
169120
187340
207940
268100
? ≈ 7130 × 20 + 13 × 1920
? = 142600 + 24960 = 167560
18. 18940 ÷ 45 + 2.39 × 75 = ?
580
600
640
680
720
? ≈ 18940 + 45 + 2.4 × 75
? ≈ 420 +180 = 600

19. √65441 = (8 × 2)^?
4
6
8
2
5
√65441 = (8 × 2)^?
√65441 ≈ 256
256 = (8 × 2)^?
16^2 = 16^?
? = 2

20. √2300 ÷ 6.06 / 11.11 = ?
72
78
82
88
94
√2300 ≈ 48
? = 48 × 11 / 6
? = 88
Direction (21 – 25): What value should come in place of the question mark (?) in the following number series? 21. 1, 7, 49, 343, ?
16807
1227
2058
2401
None of these
The series is,
1 x 7 = 7;
7 x 7 = 49;
49 x 7 = 343;
343 x 7 = 2401

22. 13, 20, 39, 78, 145, ?
234
244
236
248
None of these
The sequence in the series is 13 + 2^2 + 3, 20 + 4^2 + 3, 39 + 6^2 + 3, 78 + 8^2 + 3, 145 + 10^2 +3, ….

23. 12, 35 , 81 , 173 , 357 , ?
725
715
726
736
None of these
The series is,
12 + 23 × 1 = 35
35 + 23 × 2 = 81
81 + 23 × 4 = 173
173 + 23 × 8 = 357
357 + 23 × 16 = 725
24. 3, 100, 297, 594, 991, ?
1489
1479
1478
1498
None of these
The sequence in the series is +97, +197, +297, +397, +497
991 + 497 = 1488

25. 112, 119, 140, 175, 224, ?
277
276
287
266
None of these
The series is, + 7 x 1, +7 x 3, +7 x 5, +7 x 7, +7 x 9

Direction (26-30): In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and given answer:
a) x > y
b) x ≥ y
c) x < y
d) x ≤ y
e) x = y or relationship cannot be established
26. Ⅰ. 4x + 7y = 42
Ⅱ. 3x – 11y = -1

a)
b)
c)
d)
e)
By subtracting Eq Ⅰ × 3 and Ⅱ × 4
65 y = 130
y = 2
Substituting value y in Eq. I,
4x + 14 = 42
4x = 28
x = 7
x > y

27.Ⅰ. y^2 + 14x + 49 = 0
Ⅱ.y^2 + 9y = 0

a)
b)
c)
d)
e)
Ⅰ. x^2 + 7x + 7x + 49 = 0
x (x + 7) + 7 (x + 7) = 0
x = -7, -7
Ⅱ. y ( y + 9) = 0
y = 0, -9
Relation can’t be established
28. Ⅰ. 3x^2 - 4x - 32 = 0
Ⅱ. 2y^2 + 5y – 3 = 0

a)
b)
c)
d)
e)
Ⅰ. 3x^2 - 12x + 8x - 32 = 0
3x (x - 4) + 8 (x – 4) = 0
x = 4, - (8 / 3)
Ⅱ. 2y^2 +6y - y - 3 = 0
2y (y + 3) - 1 (y + 3) = 0
y = -3, (1 / 2)
Relation can’t be established
29. Ⅰ. 9x^2 - 29x + 22 = 0
Ⅱ. 7y^2 - 8y – 12 = 0

a)
b)
c)
d)
e)
Ⅰ. 9x^2 – 18 - 11x + 22 = 0
9x (x - 2) - 11 (x – 2) = 0
x = 2, (11 / 9)
Ⅱ. 7y^2 – 14y + 6y – 12 = 0
7y (y - 2) + 6 (y - 2) = 0
y = 2, - (6 / 7)
x ≥ y
30. Ⅰ. x^2 + 14x + 49 = 0
Ⅱ. 2y^2 - 17y + 36 = 0

a)
b)
c)
d)
e)
Ⅰ. x^2 + 7x + 7x + 49 = 0
x (x + y) + 7 ( x + 7) = 0
x = -7, -7
Ⅱ. 2y^2 - 8y – 9y + 36 = 0
2y (y – 4) – 9 (y – 4) = 0
y = 4, (9 / 2)
x < y

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