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[WpProQuiz 7333]Missing Number Series
Directions (Q. 1 – 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 – 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
Answers :
Directions (1-5) :
1) Answer: C
250 ÷ 2 + 1 = 126
126 ÷ 2 + 1 = 64
64 ÷ 2 + 1 = 33
33 ÷ 2 + 1 = 17.5
2) Answer: A
132 + (12 – 1) = 132
132 + (22 – 2) = 134
134 + (32 – 3) = 140
140 + (42 – 4) = 152
152 + (52 – 5) = 172
3) Answer: D
56 * 0.5 – 1 = 27
27 * 1 – 1 = 26
26 * 1.5 – 1 = 38
38 * 2 – 1 = 75
75 * 2.5 – 1 = 186.5
4) Answer: B
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,…
5) Answer: C
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) :
6) Answer: A
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 – 3100 = 200
7) Answer: E
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
8) Answer: C
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
9) Answer: D
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 %
10) Answer: D
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 – 1500 = 100
