# IBPS Clerk Prelims Quantitative Aptitude Questions 2019 (Day-11)

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[WpProQuiz 7333]

Missing Number Series

Directions (Q. 1 â€“ 5): What value should come in place of (?) in the following number series?

1) 250, 126, 64, 33, ?

a) 16

b) 13.5

c) 17.5

d) 18

e) 22

2) 132, 132, 134, 140, 152, ?

a) 172

b) 216

c) 188

d) 234

e) 196

3) 56, 27, 26, 38, 75, ?

a) 276

b) 248

c) 162

d) 186.5

e) 206.5

4) 158, 170, 186, 210, 246, ?

a) 312

b) 298

c) 336

d) 384

e) 372

5) 156, 78, 52, 39, ? , 26

a) 33

b) 29

c) 31.2

d) 32.4

e) 34

Data Interpretation

Directions (6 â€“ 10): Study the following information carefully and answer the given questions?

The following radar graph shows the total number of students studied in two different schools in 6 different years.

6) Find the difference between the total number of students studied in School P in the year 2013 and 2015 together to that of total number of students studied in School Q in the year 2014 and 2017 together?

a) 200

b) 250

c) 150

d) 300

e) None of these

7) Find the average number of students studied in School P in all the given years together?

a) 1700

b) 1400

c) 1250

d) 1350

e) None of these

8) Find the ratio between the total numbers of students studied in School Q in 2013 to that of total number of students studied in School P in 2016?

a) 1 : 3

b) 5 : 7

c) 4 : 5

d) 9 : 11

e) None of these

9) Total number of students studied in School Q in the year 2015 and 2016 together is approximately what percentage of total number of students studied in School P in the year 2014 and 2018 together?

a) 115 %

b) 144 %

c) 162 %

d) 106 %

e) 128 %

10) Find the difference between the average number of students studied in School P in the year 2013, 2015 and 2018 together to that of the average number of students studied in School Q in the year 2013, 2014 and 2017 together?

a) 200

b) 300

c) 250

d) 100

e) None of these

Directions (1-5) :

250 Ã· 2 + 1 = 126

126 Ã· 2 + 1 = 64

64 Ã· 2 + 1 = 33

33 Ã· 2 + 1 = 17.5

132 + (12 â€“ 1) = 132

132 + (22 â€“ 2) = 134

134 + (32 â€“ 3) = 140

140 + (42 – 4) = 152

152 + (52 – 5) = 172

56 * 0.5 â€“ 1 = 27

27 * 1 â€“ 1 = 26

26 * 1.5 â€“ 1 = 38

38 * 2 â€“ 1 = 75

75 * 2.5 â€“ 1 = 186.5

158, Â Â Â Â Â Â Â Â Â Â  170, Â Â Â Â Â Â Â Â Â Â  186, Â Â Â Â Â Â Â Â Â Â  210, Â Â Â Â Â Â Â Â Â Â  246, Â Â Â Â Â Â Â Â Â Â  298

12Â Â Â Â Â Â Â Â Â Â Â Â Â Â  16Â Â Â Â Â Â Â Â Â Â Â Â Â Â  24Â Â Â Â Â Â Â Â Â Â Â Â Â Â  36Â Â Â Â Â Â Â Â Â Â Â Â Â Â  52

4Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â  8Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â  12Â Â Â Â Â Â Â Â Â Â Â Â Â Â  16

The difference of difference is, 4, 8, 12, 16,…

156 * (1/2) = 78

78 * (2/3) = 52

52 * (3/4) = 39

39 * (4/5) = 31.2

31.2 * (5/6) = 26

Directions (6-10) :

The total number of students studied in School P in the year 2013 and 2015 together

= > 1800 + 1300 = 3100

The total number of students studied in School Q in the year 2014 and 2017 together

= > 1500 + 1800 = 3300

Required difference = 3300 â€“ 3100 = 200

The average number of students studied in School P in all the given years together

= > [1800 + 1400 + 1300 + 1500 + 1600 + 1700] / 6

= > [9300 / 6] = 1550

The total number of students studied in School Q in 2013 = 1200

The total number of students studied in School P in 2016 = 1500

Required ratio = 1200: 1500 = 4: 5

Total number of students studied in School Q in the year 2015 and 2016 together

= > 1600 + 1700 = 3300

Total number of students studied in School P in the year 2014 and 2018 together

= > 1400 + 1700 = 3100

Required % = (3300 / 3100) * 100 = 106.45 % = 106 %

The average number of students studied in School P in the year 2013, 2015 and 2018 together

= > (1800 + 1300 + 1700) / 3 = 1600

The average number of students studied in School Q in the year 2013, 2014 and 2017 together

= > (1200 + 1500 + 1800) / 3 = 1500

Required difference = 1600 â€“ 1500 = 100