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The total population of City P and R is 7,55,000. The difference between the total population of City P and R is is 1.25 lakhs. If the City R has more population than City P then the rural population of City P and R together is approximately what percent of total population of these two Cities?

Correct

Explanation:
P + R = 7,55,000
(R has more population than P) R – P = 125000
R = 4,40,000 ; P = 315000
Rural population of City P and R = 7/10 * 315000 + 6/11 * 440000 =460500
% = (460500 / 755000)*100 = 60.9%

Incorrect

Explanation:
P + R = 7,55,000
(R has more population than P) R – P = 125000
R = 4,40,000 ; P = 315000
Rural population of City P and R = 7/10 * 315000 + 6/11 * 440000 =460500
% = (460500 / 755000)*100 = 60.9%

Question 7 of 10

7. Question

1 points

Category: Quantitative Aptitude

The difference between the number of male and female in the City P is 20000. Approximately, by what percent of urban population of City P less than its Rural population?

Correct

Explanation:
X= Total population in City P
1/21 * x = 20000 => x = 4,20,000
Rural Population = 2,94,000
Urban Population =1,26,000
% = (Difference / Rural Population)*100 = (1,68,000 / 2,94,000)*100 = 57%

Incorrect

Explanation:
X= Total population in City P
1/21 * x = 20000 => x = 4,20,000
Rural Population = 2,94,000
Urban Population =1,26,000
% = (Difference / Rural Population)*100 = (1,68,000 / 2,94,000)*100 = 57%

Question 8 of 10

8. Question

1 points

Category: Quantitative Aptitude

One – fourth of total population of City R is 1,10,000. If the total number of Literate graduates of City Q and S are 15,570 and 91,000. What is the approximate % of the total population of City Q, R and S together is literate?

Correct

Explanation :
1/4 * R = 1,10,000 => R = 4,40,000
Literate population of City R = 7/11 * 4,40,000 = 2,80,000
Total number of Literate graduates of City Q = 15570 = 45%
x = Literate population of City Q
45% of x = 15570 => x = 34600
Total number of Literate graduates of City S = 91000 = 50%
y = Literate population of City S
50% of y = 91000 => x = 1,82,000
% = (496600/1175000) * 100 = 42%

Incorrect

Explanation :
1/4 * R = 1,10,000 => R = 4,40,000
Literate population of City R = 7/11 * 4,40,000 = 2,80,000
Total number of Literate graduates of City Q = 15570 = 45%
x = Literate population of City Q
45% of x = 15570 => x = 34600
Total number of Literate graduates of City S = 91000 = 50%
y = Literate population of City S
50% of y = 91000 => x = 1,82,000
% = (496600/1175000) * 100 = 42%

Question 9 of 10

9. Question

1 points

Category: Quantitative Aptitude

The difference between the total population of City R and T is 30,000. The ratio of total population of City R and T is 44:41. Total % of Literate graduates of City R and T is 40%. If the % Literate graduates of City T is equalled to three times of Literate graduates of City R then what is the sum of the number of graduates from City R and City T together?

Correct

Explanation :
3/85 * x = 30000 => x = 85000
44/85*85000 = 440000 = City R Population
7/11*440000 = 280000
Number of graduates from City R = 10% of 280000 = 28000
41/85*85000 = 410000 = City T Population
2/5*410000 = 164000
Number of graduates from City T = 30% of 1,64,000 = 49200
sum = 77200

Incorrect

Explanation :
3/85 * x = 30000 => x = 85000
44/85*85000 = 440000 = City R Population
7/11*440000 = 280000
Number of graduates from City R = 10% of 280000 = 28000
41/85*85000 = 410000 = City T Population
2/5*410000 = 164000
Number of graduates from City T = 30% of 1,64,000 = 49200
sum = 77200

Question 10 of 10

10. Question

1 points

Category: Quantitative Aptitude

What is the difference between the male population in City Q and female population in City S ?