Question : The table given below shows the number of males and females in different states.
| States | Male | Female |
| A | 50 | 100 |
| B | 200 | 150 |
| C | 300 | 25 |
| D | 25 | 50 |
| E | 125 | 75 |
| F | 150 | 250 |
$J_1$ = The value of the average number of males in A and B.
$J_2$ = The value of the average number of females in E and F.
What is the value of ($J_2-J_1$)?
Option 1: 56.5
Option 2: 25.5
Option 3: 42.5
Option 4: 37.5
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Correct Answer: 37.5
Solution :
$J_1$ = The value of the average number of males in A and B = $\frac{50+200}{2}$ = 125
$J_2$ = The value of the average number of females in E and F = $\frac{75+250}{2}$ = 162.5
Now, $J_2-J_1$ = 162.5 – 125 = 37.5
Hence, the correct answer is 37.5.
Related Questions
Question : The table given below shows the number of students in 6 different schools.
| Schools | Students |
| A | 120 |
| B | 60 |
| C | 70 |
| D | 80 |
| E | 30 |
| F | 50 |
The number of students in school A is what percentage of the number of students in school F?
Option 1: 41.66%
Option 2: 200%
Option 3: 240%
Option 4: 120%
Question : The table given below shows the marks obtained by five students in an examination.
| Students | Marks |
| A | 400 |
| B | 300 |
| C | 150 |
| D | 350 |
| E | 200 |
What is the ratio of marks obtained by D to the marks obtained by E?
Option 1: 5 : 3
Option 2: 7 : 4
Option 3: 5 : 4
Option 4: 7 : 3
Question : The table given below shows the demand and production of five articles.
| Articles | Demand | Production |
| A | 175 | 225 |
| B | 200 | 300 |
| C | 100 | 250 |
| D | 50 | 400 |
| E | 400 | 500 |
J1 = The difference between total demand and total production of A, B and C.
J2 = The value of the average of demand and production of E.
What is the value of (J1 - J2)?
Option 1: 100
Option 2: –150
Option 3: 150
Option 4: –100
Question : The table given below shows the production of television and fridges by different companies.
| Companies | Television | Fridge |
| A | 60 | 80 |
| B | 50 | 30 |
| C | 40 | 20 |
| D | 30 | 50 |
| E | 70 | 35 |
J1 = The value of average production of fridges by D and E.
J2 = The total production of television and fridges by all companies.
What is the value of (J2 – J1)?
Option 1: 456.2
Option 2: 314.5
Option 3: 465
Option 4: 422.5
Question : The table given below shows the number of students in 6 different schools.
| Schools | Students |
| J | 360 |
| K | 180 |
| L | 210 |
| M | 240 |
| N | 90 |
| P | 150 |
What is the total number of students in all schools?
Option 1: 1340
Option 2: 1020
Option 3: 1230
Option 4: 1180
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