Whatsapp puzzles-Lady, church and money maths puzzle

Whatsapp puzzles-Lady, church and money maths puzzle

A lady starts from her house with some money to visit four Churches.

1. As soon as she enters Church1 her money gets doubled. She donates $100 and moves.

2. At Church2 again her money is doubled and she donates $100.

3. Her money is doubled again at Church3 and she donates $100.

4. At Church4 again her money gets doubled. She donates $100 again and returns home empty handed…

How much money she had when she started from her house???

Answer of this puzzles:

Money before church4: $50
Money before church 3: 150/2 = $75
Money before church 2: 175/2 = $87.5
Money before Church 1: 187.5/2 = $93.75

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