Question

A certain sum of money at simple interest amounted to rs 840 in 10 years at 10% per annum find the sum

Answer 1

Rs. 420 as shown in the sheet.

Answer 2

Answer:

Principle = ₹ 840

Step-by-step explanation:

Questions:-

A certain sum of money at simple interest amount rs 840 in 10 years at 10% per annum, find the sum ?

Formula used:

SI = (P × R × T)/100

P = Principle, R = Rate of interest, T = Time

Calculations:

P = ₹ ?, R = 10%, T = 10 yrs, SI = ₹ 840

SI = (P × R × T)/100

⇒840 =  (P × 10 × 10)/100

⇒ 100P = 84,000

⇒ P = 84,000 ÷ 100

∴ Principle = ₹ 840

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