18 Jun 2017

Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-6)

Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-1)
Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-6):
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). 144.8% of 1339 + 42.02 × 18.484 = ?
2410
2570
2650
2720
2840
1). Answer: d)
? = 145 × 1340 / 100 + 42 × 18.5
= 1943 + 777
= 2720
2. (3740 ÷ 20.99) × 4.49 = ?
700
800
900
1000
600
2). Answer: b)
? ≈ 3740 / 21 × 4.5
? ≈ 178 × 4.5 = 801.42 ≈ 800
3. (2259.6 / 38.96 × √2020) × 1.24 = ?
3030
3120
3260
3340
3480
3). Answer: c)
? ≈ (2260 / 39 × √2020) × 1.25
≈ (57.948 × 44.94) × 1.25
= (58 × 45) × 1.25
= 3262.5 ≈ 3260

4. 184.9% of 749.998 - 114.98% of 839.8 = ?
420
550
590
630
660
4). Answer: a)
? = 185 × 750 / 100 – 115 × 840 / 100
= 1387.5 - 966 = 421.5 ≈ 420

5. √24333 - 11.99 × 2.987 = ?
40
80
120
160
200
5). Answer: c)
? ≈ 156 - 12 × 3 = 156 - 36 = 120

6. (139.93 × 24.102) - (27.89 × 7.53) = ?
2750
2920
3040
3150
3210
6). Answer: d)
? = (140 × 24) - (28 × 7.5)
= 3360 - 210 = 3150

7. (3248% of 55.055) ÷ 27.98 = ?
42
56
64
78
86
7). Answer: c)
(3248× 55/100) ÷ 28 = 3248×55/ 2800
= 63.8 ≈ 64

8. √10600 × 3√19680 = ?
2780
2850
2940
3020
3150
8). Answer: a)
(103)^2 = 10609
√10600 = 103
(27)^3 = 19683
∛19680 = 27
? = 103 × 27 = 2781 ≈2780
9. 6844 ÷ √3360 + 255.65 ÷ 7.98 = ?
110
130
150
170
190
9). Answer: c)
(58)^2 = 3364
√3360≈ 58
6844/58 + 256/8 = 118 + 32 = 150

10. (248% of 17855) ÷ 23.98 = ?
1805
1815
1825
1835
1845
10). Answer: e)
(248 × 17855 /100) ÷ 24 = 44280.4 / 24 ≈ 1845

Direction (11-20): What approximate value should come in place of question mark (?) in the following questions?
11. 3 2/5 × 7 5/8 ÷ 2 1/3 × 3 1/2 × 3 1/5 = ?
121.32
122.82
123.74
124.44
125.5
11). Answer: d)
(17× 61× 3 × 7 ×16) / (5× 8 × 7 × 2 × 5) = 3111/25
=124.44

12. 77.8 × 0.8 × ? = 964.72
13.5
14.5
15.5
16.5
17.5
12). Answer: c)
? = 964.72/ (77.8 × 0.8)
? = 15.5
13. √17.64 ×√14.0625 = √0.0225 × ?
105
115
125
135
145
13). Answer: a)
? × 0.15 = 4.2 × 3.75
? = 15.75 / 0.15 = 105
14. 7/15 of 5/27 of 45% of 1593 = 2.1× ?
29.5
28.5
27.5
26.5
25.5
14). Answer: a)
7× 5 ×45 ×1593/ (15 ×27 ×100× 2.1) = 29.5
15.– (357.911)^(2/3) × (50.41)^(3/2) = (7.1)^?
5
4
3
2
1
15). Answer: a)
(7.1)^? = (7.1)^2 × (7.1)^3
(7.1)^? = (7.1)^5
? = 5
16. √? =(153 × 46) ÷ 18
149769
151321
152881
154449
None of these
16). Answer: c)
√? = 153 × 46 / 18 = 391
? = (391)^2 = 152881
17. (3834 ÷ 27) × (3920 ÷ 112) = ?
4210
4430
4560
4750
4970
17).Answer: e)
? = (3834/27) * (3920/112) = 142*35
? = 4970
18. 2.8% of 1220 + 7.4% of 780 = ?
87.72
91.88
93.42
94.56
None of these
18). Answer: b)
? = (2.8 × 1220/100) + (7.4 ×780/100)
? = 34.16 + 57.72 = 91.88

19. 0.6 × 2.8 × 3.5 ÷ 0.0049 = ?
840
900
1080
1200
1250
19). Answer: d)
? = 0.6 ×2.8× 3.5 / 0.0049
? = 5.88 / 0.0049 = 1200

20. 30% of √15625 + 70% of 3√3375 = ?
48
55
64
72
75
20). Answer: a)
? = 30/100 * 125 + 70/100 × 15
? = 37.5 + 10.5 = 48
Direction (21 – 25): What value should come in place of the question mark (?) in the following number series? 21. 11, 20, 38, 74, ?
85
96
100
136
146
21). Answer: e)
The series is,
11 + 9 = 20;
20 + 18 = 38;
38 + 36 = 74;
74 + 72 = 146

22. 11, 13 , 20 , 48 , 111 , ?
237
125
273
255
555
22). Answer: a)
The series is,
11 + (1^3 + 1) = 11 + 3 = 13;
13 + (2^3 - 1) = 13 + 7 = 20;
20 + (3^3 + 1) = 20 + 28 = 48;
48 + (4^3 - 1) = 48 + 63 = 111;
111 + (5^3 + 1) = 111 + 126 = 237

23. 13 , 17 , 33 , 97 , ? , 1377
259
563
535
455
353
23). Answer: e)
The difference between the numbers is +4, +16, +64, +256, …
24. 15, 21 , 38 , 65 , 101 , ?
150
120
125
145
154
24). Answer: d)
The difference of difference of the series is, +11, +10, +9, +8, ….

25. 7, 16, 45 ,184 , 915 , ?
5056
5496
5006
5060
6050
25).Answer: b)
The series is,
7 x 2 + 2 = 16;
16 x 3 - 3 = 45;
45 x 4 + 4 = 184;
184 x 5 - 5 = 915;
915 x 6 + 6 = 5496

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 the relationship cannot be established.
26. I. 20x^2 - 31x + 12 = 0
II. 20y^2 + y - 12 = 0

a)
b)
c)
d)
e)
26). Answer: c)
I. 20 x^2 – 31 x + 12 = 0
(4 x - 3) (5x – 4) = 0
x = (3/4), (4/5)
II. 20y^2 + y – 12 = 0
or, (4y – 3) (5y + 4) = 0
y = (3/4), (-4/5)
Hence x ≥ y

27. I. 2x^2 - 27x + 91 = 0
II. 2y^2 + y - 136 = 0

a)
b)
c)
d)
e)
27). Answer: e)
I. 2x^2 –27x + 91 = 0
or, (x– 7) (2x – 13) = 0
x = 7, (13/2)
II. 2y^2 + y –136 = 0
or, (y – 8) (2y + 17)= 0
y = 8, (-17/2)
28. I. 2x -13 √x + 21 = 0
II. 2y -15 √y + 28 = 0

a)
b)
c)
d)
e)
28). Answer: d)
I. 2x – 13√x + 21 =0
(√x – 3) ( 2√x –7) = 0
√x = 3, 7/2
x = 9, 49/4
II. 2y – 15√y + 28 =0
or, (2 √y –7) ( √y – 4) = 0
√y = 4, 7/2
y = 49/4, 16, Hence, x ≤ y
29. I. x^2 = 3136
II. y^2 = 1764

a)
b)
c)
d)
e)
29). Answer: e)
I. x^2 = 3136
x = ±56
II. y^2 = 1764
y = ±42
30.I. x^2 - 20x + 91 = 0
II. y^2 - 6y - 91 = 0

a)
b)
c)
d)
e)
30). Answer: e)
I. x^2 – 20 x + 91 = 0
(x –7) (x – 13)= 0
x = 7, 13
II. y^2 – 6 y – 91 = 0
(y –13) (y + 7) = 0
y = 13, –7





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