The table below gives the ranks secured by five different students in three different subjects in a qualifying examination:
|
Subject → |
Maths
|
Physics
|
Chemistry
|
|
Students ↓ |
|||
|
A |
12 |
22 |
14 |
|
B |
15 |
21 |
15 |
|
C |
3 |
15 |
22 |
|
D |
14 |
24 |
1 |
|
E |
18 |
13 |
2 |
Find the positive difference between the ranks secured by A in Physics and in Maths.
Answer & explanation
Correct answer: option 2
Difference in ranks of A in physics & maths = 22 - 12 = 10