Dear Aspirants, Our IBPS Guide team is providing new series of Quantitative Aptitude Questions for SBI Clerk Prelims 2020 so the aspirants can practice it on a daily basis. These questions are framed by our skilled experts after understanding your needs thoroughly. Aspirants can practice these new series questions daily to familiarize with the exact exam pattern and make your preparation effective.
Missing number series
Directions (01-05): What value should come in the place of (?) in the following number series?
1) 2190, 2736, 3366, 4086,?, 5820
A.4109
B.4516
C.4782
D.4771
E.4902
2) 3, 28, 197, 986, 2959,?
A.2960
B.2970
C.3190
D.2280
E.3280
3) 17, 25, 150, 662, 1993, 4737,?
A.8990
B.9170
C.7370
D.8620
E.9650
4) 24, 24, 36, 72, 180,?
A.280
B.480
C.360
D.540
E.320
5) 1260, 210, 42, 10.5, 3.5,?
A.1.75
B.1.25
C.2.25
D.1.60
E.2.75
Caselet
Directions (06-10): Study the following information carefully and answer the questions given below.
The number of employees from A is 50% more than the number of employees in B. The number of employees from B is half of the number of employees from C and the number of employees from D is 25% more than the number of employees from C. The number of male to female employees to from D in the ratio of 3: 2 and the ratio of the number of female employees from B is 40% less than the number of male employees from B. The number of male employees from A is 50 more than the number of male employees from B. The number of female employees from C is 100 more than the number of female employees from B. Total number of employees from A, C and D is 1440.
6) What is the average number of female employees in all the companies together?
A.120
B.140
C.160
D.170
E.180
7) Quantity I:Â Sum of the male employees in A and B.
Quantity II:Â Number of male employees in D.
A.Quantity I > Quantity II
B.Quantity I ≥ Quantity II
C.Quantity I = Quantity II
D.Quantity I < Quantity II
E.Quantity I ≤ Quantity II
8) What is the difference between the number of male employees in C and the number of female employees in A?
A.110
B.120
C.130
D.140
E.None of these
9) Total number of male employee in A and D together is approximately what percent more than the total number of employees in C?
A.14.48%
B.16.67%
C.18.89%
D.33.33%
E.None of these
10) What is the ratio of the total number of male to female employees from all the companies together?
A.25: 17
B.24: 19
C.23: 16
D.22: 15
E.None of these
Answers :
1) Answer: E
133 – 7 = 2190
143 – 8 = 2736
153 – 9 = 3366
163 – 10 = 4086
173 – 11 = 4902
183 – 12 = 5820
2) Answer: A
3 * 9 + 1 = 28
28 * 7 + 1 = 197
197 * 5 + 1 = 986
986 * 3 + 1 = 2959
2959 * 1 + 1 =Â 2960
3) Answer: E
17 + 23Â = 25
25 + 53Â = 150
150 + 83Â = 662
662 + 113Â = 1993
1993 + 143Â = 4737
4737 + 173Â =Â 9650
4) Answer: D
24 * 1 = 24
24 * 1.5 = 36
36 * 2 = 72
72 * 2.5 = 180
180 * 3 =Â 540
5) Answer: A
1260 ÷ 6 = 210
210 ÷ 5 = 42
42 ÷ 4 = 10.5
10.5 ÷ 3 = 3.5
3.5 ÷ 2 = 1.75
Directions (6-10) :
Number of employees from B = x
Number of employees from A = x * 150/100 = 3x/2
Number of employees from C = 2x
Number of employees from D = 2x * 125/100 = 5x/2
(3x/2 + 2x + 5x/2) = 1440
12x = 1440 * 2
X = 240
Total number of employees in A = 3/2 * 240 = 360
Total number of employees in D = 5/2 * 240 = 600
Total number of employee in C = 2 * 240 = 480
Total number of employee in B = 240
Number of female employees in D = 2y
Number of male employees in D = 3y
2y + 3y = 600
5y = 600
Y = 120
Number of male employees in D = 3 * 120 = 360
Number of female employees in D = 120 * 2 = 240
Number of male employees in B = z
Number of female employees in B = z * 60/100
z + 3z/5 = 240
8z = 240 * 5
Z= 150
Number of female employees in B = 150 * 60/100 = 90
Number of male employees in A = 150 + 50 = 200
Number of female employees in A = 360 – 200 = 160
Number of female employees in C = 100 + 90 =190
Number of male employees in C = 480 – 190 = 290
6) Answer: D
Average number of female employees = (160 + 90 + 190 + 240)/4 = 170
7) Answer: D
From Quantity I,
Required Sum = 200 + 150 = 350
From Quantity II,
Number of male employees in D = 360
Quantity I < Quantity II
8) Answer: C
Difference = 290 – 160 = 130
9) Answer: B
Required percentage = ((200 + 360) – 480)/480 * 100 = 16.67%
10) Answer: A
Required ratio = (200 + 360 + 150 + 290): (160 + 90 + 190 + 240)
= 1000: 680
= 25: 17
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