Question

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Answer 1

Ans. total investment = ₹2380

Answer 2

Hey there !

Given that the sum is Arithmetic Progression type. So let us write all the needed details.

First Term ( a ) = 1000

Common Difference ( d ) = 6-

Number of terms ( x ) = 2 years = 24 months

Final Sum ( aₓ ) = ?

Formula is aₓ = a + ( x - 1 ) d

Substituting the values in the above formula we get,

=> aₓ = 1000 + ( 24 - 1 ) 60

=> aₓ = 1000 + 23 ( 60 )

=> aₓ = 1000 + 1380

=> aₓ = 2380

Hence at the end of 2 years, his total investment would be Rs. 2380.

Hope my answer helped !