Question

if simple interest on certain sum of money for 3 years at rate 100/11 % is rs 2400 less than its principle find sum and si​

Answer 1

Answer:

• rupees 6,300
• Simple Interest, S.I. = Rs. 1260 =
• 100
• PR×2
• =
• 50
• PR
• -(i)
• Compound Interest, C.I. = Amount(A) - Principle(P)
• =P(1+
• 100
• R
• )
• 2
• - P = PR(R/10000+1/50)=Rs.1323 -(ii)
• Dividing (ii) by (I),
• 200
• R
• +1 =
• 1260
• 1323
• ⇒Rate,R=10%p.a.
• Now,
• 100
• PRT
• =1260
• ⇒
• 100
• P×10×2
• =1260
• ⇒ Principal or Sum , P = Rs.6,300