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What should come at the place of question mark (?) in the following number series?
11, 11, 16.5, 33, 82.5, 247.5, ?
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*1, *1.5, *2, *2.5, *3, *3.5….
19, 21, 38, 120, ?, 2370
*1+2, *2-4, *3+6, *4-8, *5+10…
9, 11, 16, 26, 43, ?
12+1, 22+1, 32+1,42+1, 52+1..
6, 5, 9, 26, 103, 514, ?
*1-1, *2-2, *3-3, *4-1, *5-1
6, 20, 90, 440, 2190, ?
*5-10, *5-10, *5-10,..
Directions For Questions
Study the following pie chart and related table find the missing value and answer the questions carefully
Total number of students passed the exam during six different years the percentage in the year 2004 is greater than the year 2005 if the students in 2005 was 7500 means what was it percentage and 2004’s ?
Total number of students – 50000
Percentage of students in different years
If students in 2005 are 7500 means its percentage will be 15, and 2004 will be
100 – (15+10+12+25+22) = 16%
Ratio between male and female
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What is the average number of male and female students during the year 2002, 2004 and 2006 taken together?
Students in 2002
= (12/100 ) * 50000
= 6000
Male students in 2002 = (5/8) * 6000
= 3750
Students in 2004
= (16/100)*50000
= 8000
Male students in 2004 = (5/10)*8000
= 4000
Students in 2006
= (22/100)*50000
= 11000
Male students in 2006 = (6/11)*11000
Average = ((6000+8000+11000)/3
= 8333.3
What is the average number of female students during the year 2001, 2003, 2005 together?
Total students in 2001 = 5000 , Female students in 2001 = 2000
Total students in 2003 = 12500 , Female students in 2003 = 7500
Total students in 2005 = 7500 , Female students in 2005 = 3000
Average = (2000+7500+3000)/3
By what percent approximately is the total number of male students who passed the exam during 2001 and 2004 together more than that of female students during the same year?
Total students in 2001 = 5000
Male students = 3000, female students = 2000
Total students in 2004 = 8000
Male student = 4000 , female = 4000
Approx. Percentage = (7000-6000/6000)*100
= 16.66%
What is the respective ratio between no of female students in the year 2002 to no of female students in the year 2006 ?
2250:5000 = 9:20
What is the difference between the average number of male and female students during all the year taken together
Male avg - female avg
(26250/6) – (23250/6)
4375 – 3958.3 = 416.7
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