Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-32):
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Direction (1-10): What value should come in place of question mark (?) in the following questions?
1). (50² + 30²) ÷ 6400 = ?
1). Answer: b)
(50² + 30²) ÷ 6400 = ?
3400 / 6400 = ?
? = 17/32
2). 6241 + 3284 + 1923 + 2187 + 3268 + 3147 =?(50² + 30²) ÷ 6400 = ?
3400 / 6400 = ?
? = 17/32
2). Answer: b)
6241 + 3284 + 1923 + 2187 + 3268 + 3147 = ?
? = 20050
3). 38 × 34 + 38 × 56 + 20 × 38 = ?6241 + 3284 + 1923 + 2187 + 3268 + 3147 = ?
? = 20050
3). Answer: b)
38 × 34 + 38 × 56 + 20 × 38 = ?
1292 + 2128 + 760 = ?
? = 4180
4). (5)³ – (3.75)³ – (1.25)³– 3(3.75) (6.25) = ?38 × 34 + 38 × 56 + 20 × 38 = ?
1292 + 2128 + 760 = ?
? = 4180
4). Answer: a)
(5)³ – (3.75)³ – (1.25)³– 3(3.75) (6.25) = ?
? = 125 – 52.73 – 1.95 – 70.31
? = 0
5). 32/153 × 68/128 × 81/4 =?(5)³ – (3.75)³ – (1.25)³– 3(3.75) (6.25) = ?
? = 125 – 52.73 – 1.95 – 70.31
? = 0
5). Answer: b)
32/153 × 68/128 × 81/4 = ?
? = 9/4
6). 78 × (1024)^(1/2)÷ ? = 20832/153 × 68/128 × 81/4 = ?
? = 9/4
6). Answer: b)
x = (78×32) / 208 = 2496/208 = 12
7). (4×12÷16× 27) ÷ 3^? = 1x = (78×32) / 208 = 2496/208 = 12
7). Answer: c)
(4 × 3/4 × 27) ÷ 3^? = 1
3⁴ / 3^? = 1
? = 4
8). (1/3) of (5/7) of (5/11) of ? = 325(4 × 3/4 × 27) ÷ 3^? = 1
3⁴ / 3^? = 1
? = 4
8). Answer: a)
1/3 × 5/7 × 5/11 × x = 325
x = (325 × 3 × 7 × 11) / (1 × 5 × 5)
x = 75075/25 = 3003
9). 345.7 + 852.5 – 108.4 = 436.7 + ?1/3 × 5/7 × 5/11 × x = 325
x = (325 × 3 × 7 × 11) / (1 × 5 × 5)
x = 75075/25 = 3003
9). Answer: b)
1198.2 – 108.4 = 436.7 + ?
1089.8 = 436.7+ ?
? = 653.1
10). 20 % 650 + 150 % ? = 20051198.2 – 108.4 = 436.7 + ?
1089.8 = 436.7+ ?
? = 653.1
10). Answer: d)
130 + (150x/100) = 2005
2005 – 130 = 150x/100
3x/2 = 1875
x = (1875×2)/3 = 1250
What approximate value should come in place of question mark (?) in the following questions?130 + (150x/100) = 2005
2005 – 130 = 150x/100
3x/2 = 1875
x = (1875×2)/3 = 1250
11). 816.23/34.98 × 24.999 = ?
11). Answer: d)
==> (816/35)×25 = 23×25 = 575
Nearest value in options is 580
12). (4722+3272+5324)/(491+769+132)=?==> (816/35)×25 = 23×25 = 575
Nearest value in options is 580
12). Answer: b)
==> 13318/1392 = 13400/1400 = 9.5
Nearest value in options is 10
13).22 1/3 % of 435.1 - 11/7 % of 1734.68 = ?==> 13318/1392 = 13400/1400 = 9.5
Nearest value in options is 10
13). Answer: d)
==> 97-27 = 70
Nearest value in options is 69
14). (1681)^(1/2) + (4094)^(1/3 )= ?==> 97-27 = 70
Nearest value in options is 69
14). Answer: a)
==> 41 + 16 = 57
15). (803.63)² = ?==> 41 + 16 = 57
15). Answer: c)
==> (804)^2 = 646414
Nearest value in options is 646400
16). (1.2)² / 1.3333 = (1.1)^? / (1.22)³==> (804)^2 = 646414
Nearest value in options is 646400
16). Answer: d)
==> (1.1)^2 / (1.1)³= (1.1)^? / (1.21)³
==>(1/(1.1)) = (1.1)^? / (1.1)^6
==> ? = 5
17). 2809/27.86 × 6.26 - 125.88 - 246.18 = ?==> (1.1)^2 / (1.1)³= (1.1)^? / (1.21)³
==>(1/(1.1)) = (1.1)^? / (1.1)^6
==> ? = 5
17). Answer: c)
==> 2809 / 28 × 6.25 - 126 - 246 = 627-372 = 255
Nearest value in options 254
18). (13.67)² - (4.77)²+ (8.26)³ - (5.23)³ = ?==> 2809 / 28 × 6.25 - 126 - 246 = 627-372 = 255
Nearest value in options 254
18). Answer: b)
==> 188-23+572-144=760-167=593
Nearest value in options is 600
19). 21% of 234.20 + 54% of 150 - 7.76% of 102.05 = ?==> 188-23+572-144=760-167=593
Nearest value in options is 600
19). Answer: b)
==> 49+81-8 = 122
20). (1218)^2 / 18 = ? × 1224==> 49+81-8 = 122
20). Answer: b)
==> (1218)^2 / 18 = ? ×1224 = 67.33 = 67
Direction (21 – 25): What will come in place of question mark (?) in the following number series?==> (1218)^2 / 18 = ? ×1224 = 67.33 = 67
21). 19, 10.5, 11.5, 18.25, 37.5, 92.25, 285.25
21). Answer: d)
The series is
(19 * 0.5) + 1 = 10.5
(10.5 * 1) + 1 = 11.5
(11.5 * 1.5) + 1 = 18.25….
Correct Number: 94.75 instead of 92.25
22). 21, 22, 28, 38, 55, 81, 118The series is
(19 * 0.5) + 1 = 10.5
(10.5 * 1) + 1 = 11.5
(11.5 * 1.5) + 1 = 18.25….
Correct Number: 94.75 instead of 92.25
22). Answer: c)
The series is
21 + 1² + 1 = 23
23 + 2² + 1 = 28
28 + 3² + 1 = 38 …..
Correct Number: 23 instead of 22.
23). 3, 4, 10, 32, 136, 685, 4116The series is
21 + 1² + 1 = 23
23 + 2² + 1 = 28
28 + 3² + 1 = 38 …..
Correct Number: 23 instead of 22.
23). Answer: b)
The series is
3 * 1 + 1 = 4
4 * 2 + 2 = 10
10 * 3 + 3 = 33…..
Correct Number: 33 instead of 32
24). 80640, 10080, 1440, 240, 48, 10, 4The series is
3 * 1 + 1 = 4
4 * 2 + 2 = 10
10 * 3 + 3 = 33…..
Correct Number: 33 instead of 32
24). Answer: d)
The series is,
4 * 3 = 12
12 * 4 = 48
48 * 5 = 240…..
Correct Number: 12 in place of 10.
25). 3, 5, 10, 12, 17, 23, 24The series is,
4 * 3 = 12
12 * 4 = 48
48 * 5 = 240…..
Correct Number: 12 in place of 10.
25). Answer: e)
First series: 3, 10, 17, 24 (increased by 7)
Second Series: 5, 14, 23 (increased by 9)
Wrong Number: 12
Correct Number: 14
First series: 3, 10, 17, 24 (increased by 7)
Second Series: 5, 14, 23 (increased by 9)
Wrong Number: 12
Correct Number: 14
Directions (26-30): In the following questions, two equations numbered I and II are given. You have to solve both the equations and mark the appropriate answer.
a) If X > Y
b) If X < Y
c) If X ≥ Y
d) If X ≤ Y
e) If X = Y or cannot be established
26). I. 4X² – 19X + 12= 0
II. 3Y² + 8Y + 4 = 0
26). Answer: a)
(x-4)(4x-3) = 0
X=4,3/4
(y+2)(3y+2) = 0
y=-2, -2/3
Hence, x > y
27). I. X² = 729(x-4)(4x-3) = 0
X=4,3/4
(y+2)(3y+2) = 0
y=-2, -2/3
Hence, x > y
II. Y – √324 = √81
27). Answer: d)
X= ±27
Y = 9+18 = 27
Hence, x ≤ y
28). I. X² + X – 56= 0X= ±27
Y = 9+18 = 27
Hence, x ≤ y
II. Y² – 17Y + 72 = 0
28). Answer: b)
(x+8)(x-7) = 0
X=7,-8
(y-8)(y-9) = 0
Y=8, 9
Therefore X < Y
29). I. 20X² – 17X + 3= 0(x+8)(x-7) = 0
X=7,-8
(y-8)(y-9) = 0
Y=8, 9
Therefore X < Y
II. 20Y² – 9Y + 1 = 0
29). Answer: c)
(4x-1)(5x-3) = 0
X=1/4, 3/5
(4y-1)(5y-1) =0
Y = 1/4, 1/5
Therefore, X ≥ Y
30). I. 3X² – 10X + 8= 0(4x-1)(5x-3) = 0
X=1/4, 3/5
(4y-1)(5y-1) =0
Y = 1/4, 1/5
Therefore, X ≥ Y
II. Y² + 3Y – 4 = 0
30). Answer: a)
(x-2)(3x-4) = 0
X=2, 4/3
(y-1)(y+4) = 0
Y = 1, -4
Therefore, x > y
(x-2)(3x-4) = 0
X=2, 4/3
(y-1)(y+4) = 0
Y = 1, -4
Therefore, x > y
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