Verified answer

simple interest = (P × R × T)/100

Calculation:

Total simple interest for 9 years = 1120

⇒ P × [(2 × 4) + (4 × 6) + (3 × 8)]\100 = 1120

⇒ P × 56/100 = 1120

⇒ P = 2000 Rs.

∴ The sum is 2000 Rs.

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