8 Jul 2017

Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-25)

Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-1)



00:00:00

Direction (1-10): What value should come in place of question mark (?) in the following questions?
1). 48% of 4800 + 24% of 1260 =?
2606.66
2556.65
2566.56
2286
None of these
1). Answer: e)
? = 48% of 4800 + 24% of 1260
? =2304 + 302.4
? = 2606.4
2. 4572 × 195 − 765432 = ? + 65126
50432
55242
60982
71532
None of these
2). Answer: c)
4572 × 195 − 765432 = ? + 65126
891540 – 765432 – 65126 = ?
? = 60982
3. (38/85) x (255/114) ÷ (19/5) + (14/19) = ?
7/14
17/15
1
8/15
None of these
3). Answer: c)
(38/85) x (255/114) ÷ (19/5) + (14/19) = ?
?= 5 / 19 + 14 / 19
? =19 / 19= 1

4. 6241 + 3284 + 1923 + 2187 + 3268 + 3147 =?
21040
20050
21150
22150
None of these
4). Answer: b)
6241 + 3284 + 1923 + 2187 + 3268 + 3147 =?
? = 20050

5). (5)³ – (3.75)³ – (1.25)³– 3(3.75) (6.25) = ?
0
1
-1
-2.5
None of these
5). Answer: a)
? = (5)³ – (3.75)³ – (1.25)³– 3(3.75) (6.25)
?= 125 – 52.734375 – 1.953125 – 70.3125
? = 0

6. 4571 × 72 = ? × 18 + 3621 × 36
8020
10000
11042
11054
None of these
6). Answer: c)
4571 × 72 = ? × 18 + 3621 × 36
329112 – 130356 =? × 18
? = 11042

7. 7/11 of 6908 − 4/9 of 7704 = ? × 72
9.33
13.5
17
21.5
None of these
7). Answer: b)
7/11 of 6908 − 4/9 of 7704 = ? × 72
? = (4396 – 3424) / 72
? =13.5

8. (1/3) of (5/7) of (5/11) of ? = 325
3003
3030
3300
3001
None of these
8). Answer: a)
(1/3) of (5/7) of (5/11) of ? = 325
? = 325 × 231 / 25
? = 3003
9. 20 % of 650 + 150 % of? = 2005
1254
1253
1251
1250
1255
9). Answer: d)
20 % of 650 + 150 % of ?= 2005
150% of ? = 2005 – 130
? = 1875 × 100 / 150 = 1250

10. 11.001 × ? × 25.875 = 678543
2380.87
2381.37
2382.57
2383.77
2384.67
10). Answer: d)
11.001 × ? × 25.875 = 678543
? = 678543 / (11.001 × 25.875)
? = 2383.77

Direction (11-20): What approximate value should come in place of question mark (?) in the following questions?
11. 25.675% of 1321 + 64.328% of 4001= ?
2912
3016
3126
3254
3348
11). Answer: a)
? ≈25.6% of 1320 + 64.3% of 4000
? = 337.92 + 2572 = 2909.92 ≈ 2912

12. 64.66 ÷ 11.31 × 5.25 =?
30
35
39
42
45
12). Answer: a)
? ≈64 /11 × 5 = 29.09 ≈ 30
13. 8.94% of 740 – 9.2% of 324 = ?
32
34
37
44
41
13). Answer: c)
? ≈9×7.4- 9×3.2
? = 66.6 – 28.8 = 37.8
≈37
14. √224 x 12.05 + ³√342 x 4 = ?
218
168
208
226
145
14). Answer: c)
? ≈√225 x 12 + ³√343 x 4
= 15 × 12 + 7 ×4
= 180 + 28
? = 208
15. (6791 + 5438 + 4624) ÷ (67 + 53 + 49) = ?
86
90
100
120
140
15). Answer: c)
? = (6791 + 5438 + 4624) ÷ (67 + 53 + 49)
? = 16853 / 169
? = 99.72≈100
16.(679.99 ÷ 17.01 + 564.01 ÷ 46.99) = ?
48
52
58
62
74
16). Answer: b)
? ≈ (680/17) + (564/47)
? = 40 + 12
? = 52
17. 1599.23 ÷39.26 × 288.99 – 345.82 + 423.56 = ?
15667
11927
12579
10674
13897
17). Answer: b)
? ≈1600/40 × 290 - 346 + 424
? = 40 × 290 + 78
? = 11600 + 78
? = 11678 ≈ 11927
18. 89.988% of 699.9 + 50.002% of 999.99 – 170.015 = ?
950
930
960
970
980
18). Answer: c)
? ≈90 × 700/100 + 50 ×1000/100 – 170
?= 630 + 500 -170
? = 960

19. 6999 ÷ 70.005 x 94.998 = ?x 19.999
475
380
640
720
575
19). Answer: a)
? × 20≈7000 / 70 × 95
? = 5 × 95
? = 475

20. 43931.03 ÷ 2011.02 x 401.04 = ?
7500
8300
8800
8850
8890
20). Answer: c)
? ≈43931 / 2011 × 401
? = 8759.9 ≈ 8800
Direction (21 – 25): In the following number series only one number is wrong. Find out the wrong number.
21. 2, 7, 10, 22, 18, 37, 26,?
42
52
46
62
None of these
21). Answer: b)
There are two series here
2, 10, 18, 26, ... (Increase by 8)
7, 22, 37, ... (Increase by 15)
Hence, next term is 37+15 = 52

22. 279936, 46656, 7776, 1296, 216, ?
60
46
36
66
None of these
22). Answer: c)
The series is ÷6, ÷6,÷6,÷6,÷6,….

23. 12, 38, 116, 350, 1052, ?
1800
2200
2800
3158
None of these
23). Answer: d)
The series is
12 × 3 + 2 = 38
38 × 3 + 2 = 116
116 × 3 + 2 = 350
350 × 3 + 2 = 1052
1052 × 3 + 2 = 3158
24. 46080, 3840, 384, 48, 8, 2, ?
1
1/64
1/8
2
None of these
24).Answer: a)
The series is,
46080 /12 = 3840
3840 /10 = 384
384 /8 = 48
48 /6 = 8
8/4 = 2
2 /2 = 1

25. 5,28,57,88,125
156
147
166
186
None of these
25). Answer: b)
The series is,
5 + 23 = 28
28 + 29 = 57
57 + 31 = 88
88 + 37 = 125
125 + 41 = 166

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) if x >y
b) if x≥y
c) if x d) if x≤y
e) if x = y or no relation can be established between x and y.
I. 9x^2 - 41x+46=0
II. 12y^2 + 43y+ 38 = 0

a)
b)
c)
d)
e)
26). Answer: b)
I 9x^2 - 41x + 46 = 0
or, 9x^2 - 18x - 23x + 46 = 0
or, 9x(x - 2) - 23(x - 2) = 0
or, (9x - 23) (x - 2) =0
x = 23/9, 2
II. 12y^2 - 43y + 38 =0
or, 12y^2 - 24y - 19y + 38 = 0
or, 12y(y - 2) - 19(y - 2) = 0
or, (12y - 19) (y - 2) = 0
y = 19/12, 2
Therefore x ≥ y
27). I. 6x^2 + 13x - 169 =0
II. y^2 + 8y - 65 = 0

a)
b)
c)
d)
e)
27). Answer: e)
I.6x^2 + 13x - 169 = 0
or, 6x^2 - 26x + 39x - 169 =0
or, 2x(3x - 13) + 13(3x - 13) = 0
or, (2x + 13) (3x - 13) = 0
x = -13/2, 13/3
II. y^2 + 8y - 65 = 0
or, y^2 + 13y - 5y - 65 = 0
or, y(y + 13) - 5(y + 13) = 0
or, (y - 5) (y + 13) = 0.
y = 5, -13
Therefore relation can't be established between x and y
28). I. 3x + 5y = 4
II. 6x - 7y= 25

a)
b)
c)
d)
e)
28). Answer: a)
I. 3x + 5y = 4
II. 6x – 7y = 25
Solving equation (I) * 2- (ii), we get
17y = -17
y = -1 and x =3, Therefore x > y
29). I. x^2 - 5x + 4 = 0
II. y^2 + 11y – 12 = 0

a)
b)
c)
d)
e)
29). Answer: b)
I. x^2 - 5x + 4 = 0
or, x^2 – 4x – x + 4 = 0
or, x(x - 4) – 1(x -4) = 0
or, (x -1) (x - 4) = 0
x = 1, 4
Il.y^2 + 11y - 12= 0
or, y^2 + 12y – y -12 = 0
or, y(y + 12) – 1(y + 12) = 0 or, (y - 1) (y + 12) = 0
y = 1, -12
Therefore, x ≥ y
30). I. 8x^2 + 50x + 57 = 0
II. 6y^2 – y – 57 = 0

a)
b)
c)
d)
e)
30). Answer: e)
I 8x^2 + 50x + 57 = 0
or, 8x^2 + 12x + 38x +57=0
or, 4x(2x + 3) + 19(2x + 3) = 0
or, (4x + 19) (2x + 3) = 0
x = -19/4, -3/2
II.6y^2 – y - 57=0
or, 6y^2 + 18y - 19y - 57 = 0
or, 6y(y + 3) - 19(y + 3) = 0
or, (6y - 19) (y + 3) = 0
y= 19/6, -3
Therefore relation can't be established.




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