IBPS PO Quantitative Aptitude: Data Interpretation and Data Sufficiency questions with solutions

Q1. There are four studios—A, B, C, and D—of a news channel. The number of reporters in Studio D exceeds that in Studio C by 550 but is 1650 fewer than in Studio A. The number of reporters in Studio B is 200 more than 4.5 times the number of computer operators in that studio. The number of reporters in Studio C is 50 less than 4.5 times the number of computer operators in Studio D. The number of computer operators in Studio D is 150 more than in Studio A and 200 fewer than in Studio B. The number of computer operators in Studio A and Studio C is 850 and 1150, respectively. The number of female reporters in Studio A is 45% of the total reporters in Studio B. Female computer operators in Studio A are 52% of the total computer operators in Studio D. The number of male reporters in Studio C is 4.5 times the number of female computer operators in Studio A. The number of male reporters in Studio D is 1.5 times the number of female reporters in Studio C. The number of male reporters in Studio B exceeds that in Studio C by 1550. The number of male computer operators in Studio B makes up 12% of the total reporters in Studio D. The number of female computer operators in Studio C is 70 less than the male computer operators in Studio B. The number of male computer operators in Studio D is 1.5 times the number of female computer operators in Studio A. The total number of male reporters in Studio E is 20% more than the total number of male reporters in Studio B. The total number of reporters in Studio E is 5850. Find the number of female reporters in Studio E.

1. 1462
2. 1221
3. 1182
4. 1426

Answer: 1182

Use the relations among reporters and computer operators to find the male reporters in Studio B, then increase that by 20% to get male reporters in Studio E. Finally, subtract the male reporters in Studio E from the total reporters in Studio E to obtain the female reporters in Studio E. This gives 1182.