Table 1 shows the bank-wise breakup of 4170 vacant posts in six banks A to F. Table 2 gives the cadre-wise percentage of posts within a bank (same for all six banks).
| Bank | Vacant Posts |
|---|---|
| A | 800 |
| B | 940 |
| C | 600 |
| D | 820 |
| E | 450 |
| F | 560 |
| Cadre | Percentage |
|---|---|
| ITO | 11 |
| AFO | 35 |
| LO | 10 |
| FE | 26 |
| TO | 8 |
| PO | 10 |
Banks A and C recruited ITOs as per the given requirement. After a few days, some of the newly employed ITOs left Bank A and joined Bank C, and the number of new recruits of ITOs in Bank A and Bank C then became equal. What is the percentage of new recruits who left Bank A?
A12.5% ✓ Correct
B22.5%
C39%
D78%
Correct answer: (A) 12.5%
Explanation
The percentage is 12.5 percent, so the answer is 12.5 percent.
The ITOs are 11 percent of the posts, so Bank A has 11 percent of 800, which is 88.
Bank C has 11 percent of 600, which is 66.
Let x recruits leave Bank A and join Bank C, so that 88 minus x equals 66 plus x.
Solving gives x equal to 11.
As a percentage of the 88 recruits in Bank A this is 11 over 88 times 100.
That equals 12.5 percent.
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