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Answer:

Abhishek paid back a total of 8,800 rupees to Vivek after one year (8,000 principal + 10% interest).

Step-by-step explanation:

Abhishek borrowed 8,000 rupees, and the simple interest for one year at 10% is calculated by multiplying the principal amount (8,000) by the interest rate (10%) and dividing by 100.

interest =8000*10/100=800

Adding the interest to the principal, Abhishek paid back a total of 8,000 (principal) + 800 (interest) = 8,800 rupees.

Abhishek borrowed 8,000 from his friend Vivek for 1 year at the simple interest of 10% year. He returned the borrowed money after 1 year. How much did he pay back altogether?