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What will come in place of question mark (?) in the following number series?
12, 31, 54, 83, 114, ?
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12 + 19=31
31 + 23=54
54 + 29=83
83 + 31=114
114 + 37=151
29, 43, 65, 97, 141, ?
29 + 42 – 2=43
43 + 52 – 3=65
65 + 62 – 4=97
97 + 72 – 5=141
141 + 82 -6=199
320, 128, ?, 76.8, 115.2, 46.08
320 ÷ 2.5=128
128 * 1.5=192
192 ÷ 2.5 =76.8
76.8 * 1.5=115.2
115.2 ÷ 2.5=46.08
7, 28, 140, 840, ?, 47040
7 * 4=28
28 * 5=140
140 * 6=840
840 * 7=5880
5880 * 8=47040
64, 165, 256, ?, 408, 469
64 + 101=165
165 + 91=256
256 + 81=337
337 + 71=408
408 + 61=469
Directions For Questions
Study the following information carefully and answer the given questions:
The given pie graph shows the total number of employees in six different companies.
The given table shows the ratio of the male to female employees in the companies.
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What is the ratio of the total number of male employees in A and B together to the total number of female employees in D and E together?
Male employees in A and B=1575 + 1080=2655
Female employees in D and E=630 + 1080=1710
Required ratio=2655 : 1710=59:38
Quantity I: Total number of employees in C.
Quantity II: Total number of male employees in D and number of female employees in A together.
From quantity I,
Employees in C=12/100 * 9000=1080
From quantity II,
Employees in D=15/100 * 9000=1350
Male in D=1350 * 8/15=720
Employees in A=25/100 * 9000=2250
Female in A=2250 * 3/10=675
Sum=675 + 720=1395
What is the total number of male employees in all the companies together?
Total males=1575 + 1080 + 432 + 720 + 1440=5247
The number of male employees in E is what percent of the total number of employees in B?
Required percentage=1440/1800 * 100=80%
What is difference between the number of female employees in B and number of male employees in C?
Difference=720 – 432=288
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