Table shows the number of males (M) and females (F) in six banks across six cities A to F. In each pair the first figure is males, the second females.
| City | SBI M | SBI F | PNB M | PNB F | UCO M | UCO F | BOB M | BOB F | IOB M | IOB F | UBI M | UBI F |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 533 | 224 | 673 | 116 | 443 | 500 | 534 | 454 | 256 | 235 | 556 | 357 |
| B | 254 | 456 | 346 | 256 | 366 | 345 | 478 | 285 | 256 | 166 | 346 | 287 |
| C | 457 | 388 | 346 | 456 | 124 | 456 | 235 | 235 | 574 | 599 | 589 | 190 |
| D | 114 | 378 | 124 | 235 | 235 | 388 | 255 | 175 | 324 | 198 | 189 | 256 |
| E | 234 | 120 | 241 | 156 | 350 | 234 | 124 | 165 | 124 | 334 | 155 | 181 |
| F | 353 | 325 | 348 | 174 | 399 | 439 | 358 | 234 | 125 | 235 | 278 | 192 |
The ratio of the number of females to the number of males in City E working in SBI, UCO and IOB together is
A173:175
B173:177
C172:177 ✓ Correct
D172:175
Correct answer: (C) 172:177
Explanation
The ratio of females to males is 172 to 177, so the answer is 172 to 177.
In City E the female counts in SBI, UCO and IOB are 120, 234 and 334.
So the total females are 120 plus 234 plus 334, which is 688.
The male counts in the same three banks are 234, 350 and 124.
So the total males are 234 plus 350 plus 124, which is 708.
The ratio of females to males is 688 to 708.
Dividing both by 4 gives 172 to 177.
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