24 Jun 2017

Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-12)

Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-1)
Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-12):
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). 924 × 0.75 + 848 × 1.25 = ? × 0.25
7004
7008
7012
7016
7020
1). Answer: c)
0.25 × ? = 693 + 1060 = 1753
? = 1753 / 0.25 = 7012
2. 17/7 of 3/8 × 5/4 of ? = 4590
3612
4032
4448
4804
None of these
2). Answer: b)
? = 4590 × 7 × 8 × 4 / (17 × 3 × 5)
? = 4032
3. [(342)^3 ÷ (57)^2] ÷ 216 = ?
57
64
72
78
81
3). Answer: a)
? = [(342)^3 / (57)^2] ÷ 216
? = 36 × 342 / 216 = 57

4. 26.8% of 480 - 13.4% of 180 = ? × 0.06
1640
1742
1844
1948
2050
4). Answer: b)
0.06 × ? = 26.8 × 480 / 100 – 13.4 × 180 / 100
0.06 × ? = 128.64 - 24.12
? = 104.52 / 0.06 = 1742

5). [(3.673)^3 + (7.327)^3] ÷ [(3.673)^2 + (7.327) ^2 - (3.673 × 7.327)] = ?
10
11
12
9
13
5). Answer: b)
Wkt, (a + b) = (a^3 + b^3) / (a^2 + b^2 – ab)
? = (3.673 + 7.327) = 11

6. √53.29 ÷ (30)^-2 = ?
7240
6570
5670
4540
None of these
6). Answer: b)
√53.29 ÷ (30)^-2 = 7.30 × 900 = 6570

7. 13% of 1335 + ?% of 1135 = 366.5
11
13
15
17
19
7). Answer: d)
? = [366.5 - (1335 × 0.13)] / 1135 × 100
? = 192.95 × 100 / 1135 = 17

8. 11/113 of 7/85 of 115260 = ?
832
848
886
904
None of these
8). Answer: e)
? = 115260 × 11 × 7 / (113 × 85)
? = 924
9. 2786 + 105 × ? = 304 × 14
12
14
16
18
22
9). Answer: b)
105 × ? = (304 × 14) - 2786
105 × ? = 4256 - 2786
? = 1470 / 105 = 14

10.³√1061208 = ?
108
106
102
92
104
10). Answer: c)
³√1061208 = 102

Direction (11-20): What approximate value should come in place of question mark (?) in the following questions?
11.872 × 7 × ? = 336633
51
55
60
64
68
11). Answer: b)
? = 336633 / (872 × 7)
? = 55.1495 ≈ 55

12. (442 . 22 + 788.08) ÷ 6.06 = ?
205
235
275
255
175
12). Answer: a)
? ≈ (442 + 788)/6
? = 1230/6 = 205
13. 113.03 × 14.969 - 12.08 × 8.98 = ?
1600
1650
1590
1680
1800
13). Answer: c)
? ≈ (113 × 15) - (12 × 9)
? = 1695 - 108
? = 1587 ≈ 1590
14. ³√389000 = ?
71
73
75
77
67
14). Answer: b)
(73)^3 = 389017
Therefore, ? = ³√389000 ≈ 73
15. 7640.16 / 120.08 × √1220 = ?
2014
2056
2226
2486
2894
15). Answer: c)
? ≈ 7640 / 120 × 35
? = 63.6 × 35 = 2226
16. √730 + √3365 = ? × 4.936
13
15
17
19
21
16). Answer: c)
? ≈ (27 + 58) / 5
? = 85 / 5 = 17
17. 7824 ÷ 47.87 + 3236 ÷ 57.011 = ?
200
220
240
260
280
17). Answer: b)
? ≈ 7824 ÷ 48 + 3236 ÷ 57
? = 163 + 56.77
? = 219.77 ≈ 220
18. 2.8% of 312 + 1.2% of 416 = ?
22
18
14
10
6
18). Answer: c)
? = 2.8 × 3.12 + 1.2 × 4.16
? = 8.736 + 4.992
? = 13.728 ≈ 14

19. 189.089 × 3.27 + 4.004 × 111.819 = ?
1015
1035
1065
1085
2005
19). Answer: c)
? ≈ 190 × 3.25 + 4 × 112
? = 617.5 + 448
? = 1065.5 ≈ 1065

20.(324% of 5842) ÷ 194.79 = ?
57
79
85
97
102
20). Answer: d)
? ≈ (324 × 58.42) ÷ 195
? ≈ 18928 ÷ 195 = 97
Direction (21 – 25): In the following number series only one number is wrong. Find out the wrong number. 21. 150, 102, 70 , 46 , 26 , ?
16
8
10
2
4
21). Answer: b)
The difference of difference of the series is -16, -8, -4, -2

22. 10 , 14 , 28 , 52 , 134 , ?
302
268
300
304
208
22). Answer: d)
The first series is, 10, 28, 134
10 x 3 - 2= 28
28 x 5 - 6= 134
The second series is 14, 52, ?
14 x 4 - 4= 52
52 x 6 - 8= 304
i.e, The sequence of the series is x 3 – 2, x 4 – 4, x 5 – 6, x 6 - 8

23. 4500 , 900 , 90 , 6 , ? , 0.012
0.3
3
3.33
0.33
3.3
23). Answer: a)
The series is,
4500/5 = 900
900/10 = 90
90/15 = 6
6/20 = 0.3
0.3/25 = 0.012
24. 24 , 11 , 10 , 14 , 27 , ?
66
70.5
68
66.5
68.5
24). Answer: d)
The sequence in the series is,
24 x (1/2) – 1 = 11
11 x (2/2) – 1 = 10
10 x (3/2) – 1 = 14
14 x (4/2) – 1 = 27
27 x (5/2) – 1 = 66.5

25. 8 , 7 , 12 , 33 , 128 , ?
528
365
653
825
635
25). Answer: e)
The series is,
8 x 1 – 1 = 7
7 x 2 – 2 = 12
12 x 3 – 3 = 33
33 x 4 – 4 = 128
128 x 5 – 5 = 635

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 or No relation
b) x > y
c) x < y
d) x ≥ y
e) x ≤ y
26. I. x - 7 = 0
II. 3y^2 - 10y + 7 = 0

a)
b)
c)
d)
e)
26). Answer: b)
From I, x - 7 = 0
x = 7 …..(1)
From II, 3y^2 - 10y + 7 = 0
3y^2 - 3y - 7y + 7 = 0
(3y - 7)(y - 1) = 0
y = 1, 7/3 ....(2)
From (1) and (2), we have x > y.

27.I. 4y^2 + 8y = 4y + 8
II. x^2 + 9x = 2x - 12

a)
b)
c)
d)
e)
27). Answer: c)
From I, 4y^2 + 8y = 4y + 8
Y^2 + 2y = y + 2
y^2 + 2y – y – 2 = 0
(y- 1) (y + 2) = 0
y= 1, - 2 ...(1)
From II, x^2 + 9x = 2x - 12
X^2 + 7x +12 = 0
(x + 4) (x + 3) = 0
x = - 4, - 3 ....(2)
From (1) and (2), we have y > x.
28. I. 2x^2 + 40 =18x
II. y^2 = 13y - 42

a)
b)
c)
d)
e)
28). Answer: c)
From I, 2x^2 + 40 = 18x
2x^2 + 40 - 18x = 0
X^2 - 9x + 20 = 0
(x - 4)(x - 5) = 0
x= 4, 5 ...(1)
From II, y^2 = 13y - 42
Y^2 - 13y + 42 = 0
(y - 7)(y - 6) = 0
y = 7, 6 ...(2)
From (1) and (2), we have y > x.
29. I. 2x^2 = 128
II. y^2 – 10y + 25 = 0

a)
b)
c)
d)
e)
29). Answer: a)
From I, 2x^2 =128
X^2 = 64
x = √64 = 8 or -8 …..(1)
From II, y^2 - 10y + 25 = 0
Y^2 - 5y - 5y + 25 = 0
(y – 5) (y - 5) = 0
y = 5, 5 ….(2)
From 1 and 2 there is no relation between x and y.
30. I. x^2 – 5x + 6 = 0
II. y^2 + 24 = 10y

a)
b)
c)
d)
e)
30). Answer: c)
I. x^2 - 3x – 2x + 6 = 0
x (x - 3) - 2(x - 3) = 0
(x - 3)(x - 2) = 0
x = 3, 2
y^2 -10y + 24 = 0
y^2 - 6y – 4y + 24 = 0
y (y - 6) - 4(y - 6) = 0
(y - 6) (y - 4) = 0
y = 6, 4
Therefore, x < y.




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