A person invested Rs. 5000 in each of the years 2005, 2010, 2015 and 2020, and the investment doubles every five years. What total amount will the person receive in 2025?

A1,35,000

B1,30,000

C1,50,000 ✓ Correct

D1,20,000

Correct answer: (C) 1,50,000

Explanation

The total amount received in 2025 is Rs. 1,50,000.

The 2005 sum doubles 4 times by 2025: 5000 x 2^4 = 80000.

The 2010 sum doubles 3 times: 5000 x 8 = 40000.

The 2015 sum doubles twice = 20000, and the 2020 sum doubles once = 10000.

Total = 80000 + 40000 + 20000 + 10000 = 1,50,000.

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