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HCS (Ex. Br.) Preliminary Examination - 2021 - Answer Key Released

Subject Wise Question -> MATHS -> AVERAGE

The average daily income of X, Y & Z is Rs 450/-. If the average daily income of X & Y is Rs 400/-, and average daily income of Y & Z is Rs 430/-, what is the daily income earned by Y?

Subject Wise Question -> MATHS -> AVERAGE

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