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Directions For Questions
Study the following information carefully and answer the questions given below:
The following line graph represents number of students in different Engineering colleges A, B, C and D in the year 2011 to 2014. The number of students is in lakh.
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What is the sum of the total number of students in the college A, B, C and D in the year 2014?
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Total students (A + B + C + D) in 2014 = (5 + 8 + 11 + 14) X 100000
= 3800000
What is the difference between the sum of the no. of students in college C and D in the year 2013 and the sum of the no. of students in college A and B in the year 2012?
No. of students (A + B) in 2012 = 400000 + 200000 = 600000
No. of students (C + D) in 2013 = 1800000
Difference = 1800000 – 600000 = 1200000
What will be the ratio of the total no. of students of college A and C in 2013 to the total no. Of students of college B and D in the same year?
Required ratio = (4 + 9): (7 + 9) = 13: 16
Find the average of the total no. of student of all the college in the year 2013.
Total students of (A + B + C + D) in 2013 = 2900000
Average = 2900000/4 = 725000
What is the approximate percentage of the total no. of students in college B in 2012 out of the total no. of students in all the colleges in 2012?
Approximate % = 400000/(200000 + 400000 + 700000 + 800000) x 100
= 19.04 = 19% approx.
If the ratio of science to commerce students is 7: 9 in college A in 2014 and the ratio of science to commerce students is 5:4 in college D in 2013, then find the ratio of the number of science students of college A in 2014 to the number of science students of college D in 2013.
Total students in college A in 2014 = 500000
Total students in college D in 2013 = 900000
Science students in college A in 2014 = 500000 x 7/16 = 218750
Science students in college D in 2013 = 900000 x 5/9 = 500000
Required ratio = 218750: 500000 = 7: 16
The Bar graph represents the quantity of crops (A, B and C) produced in the different states X, Y and Z in the year 2017. The quantities of crops produced are in lakh tons.
What is the average of the crop A of all the states?
Total crops A produced in all the states = 750000 tons
Average of crops A produced in all the states = 750000/3 = 250000 tons.
What is the ratio of total crops produced in state X to the total crops produced in state Y?
Total crops produced in state X = 900000 tons
Total crops produced in state Y = 800000 tons
Thus, ratio = 9: 8
If 30% of crop B produced in state Z is destroyed due to flood then what will the total crop produced by state Z in the 2017?
Total crops B left in good condition of state Z = 70/100 x 350000 =245000
Thus, total crops produced by state Z in 2017 = 245000 + 100000 + 300000
= 645000 tons
What will be the total crops produced by all the states in 2017?
Total crops produced by state X = 900000 tons
Total crops produced by state Y = 800000 tons
Total crops produced by state z = 750000 tons
Total crops produced by all the states in 2017 = 90000 + 800000 + 7500000
= 2450000 tons
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