*What is the compound interest on Rs. 200 for 1 year at 10% rate compounded half-yearly*​

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1. Answer:

   Principal = ₹200

   Time = 1 year compounded half yearly

   Rate = 10%

   Now,

   For 1st ½ year,

   P = ₹200

   R = 10%

   T = ½ year

   Interest =P*R*T/100

   Interest=Rs 10

   Amount =P + I

   Amount =200+10=210

   For 2nd ½ years

   P = ₹210

   R = 10%

   T = ½ year

   Interest=rs 210*10*1/10*2

   =rs 21/2

   =Rs 1.5

   Amount=210+1.5=Rs 211.5

   C.I =Required amount-Initial amount

   =Rs 211.5-200

   =Rs 11.5answer

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