Total no.of 12000 people who are involved in given profession
| Profession ↓ | % of people | % of females | % of males |
|---|---|---|---|
| MEDICAL | 12 | 45 | 55 |
| ENGINEERING | 16 | 50 | 50 |
| LAW | 11 | 35 | 65 |
| TEACHING | 25 | 75 | 25 |
| BANKING | 22 | 25 | 75 |
| MANAGEMENT | 14 | 20 | 80 |
Q 1) Females in engineering proffession ar approximately what % of the females in management profession ?
solution : females in engineering =50 % 16 =8 ; females in management profession 20 % 14 = 2.8 Females in engineering / females in management * 100 = ( 8 /2.8)*100 =( 80/28 ) * 100 =20/7 *100= 286 %
Q 2) What is the difference between the total no.of males and females from all the professions together ?
solution : Here we need not to caluclate everything over 12000 we have to caluclate difference between males and female on percentage of people as follows medical = (55-45) % 12 = 10 % 12= 1.2 ==> similary engineering = 0,law = 30 % 11 = 3.3,teaching = -50 % 25 = -12.5 ,banking 50 % 22 =11 ,Managagement = 60 % 14 =8.4 By adding all the above = 1.2 + 0 + 3.3 - 12.5 + 11 +8.4 = 11.4 % 12000 = 11 % 12000 + 0.4 % 12000 =1320 + 48 = 1368
Q 3) What is the ratio of the number of males in banking profession to the males in management profession ?
solution : males in banking / males in management = 75 % 22 / 80 % 14 = 75 * 22 / 80 * 14 = 165 :112
Q 4) What is the ratio of the total males in medical and teaching profession to that of females in same profession ?
solution : males in medidal + teaching / females in medical and teacing = (55 % 12 + 25 % 25) / (45 % 12 + 75 % 25 ) = 6.6 + 6.25 / 5.4 + 18.75 = 12.85 / 24.15 = 257 : 483
Q 5) The total no of people in teaching profession is approximately what percentage of the total no of people in law profession ?
solution : 25 / 11 = 200 % 11 = 22 ; 10 % 11 = 1.1 ; 25 -22 = 3; 30 % 11 = 3.3 then approximately 230 %
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