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A group of 7 friends each one has same income. If their total salary is Rs.1,05,000 and 4 of them donated 20% of their income to charity. What is the average salary of the group now(approximate value)?
1. Rs.13286
2. Rs.13450
3. Rs.12367
4. Rs.12345
5. Rs.10875

1 Answer

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Correct Answer - Option 1 : Rs.13286

Total salary of the group = Rs.1,05,000

The income of each person in the group is same (7 persons)

∴ Income of each person = 105000/7 = Rs.15,000

4 persons donated 20% of their income to charity

∴ Amount donated in charity = 15,000 × (20/100) × 4 = Rs.12000

∴ Total income of the group = 1,05,000 – 12,000 = Rs.93000

Average income of the group = 93000/7 = Rs.13286

∴ Average income of the group is Rs.13286

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