# Rs. 1250 is discharged through annual instalments, if first instalment

| Rs. 1250 is discharged through annual instalments, if first instalment is one third of second instalment and half of third instalment. If rate of SI is 5% per annum then find the third instalment.

A. Rs. 300

B. Rs. 200

C. Rs. 600

D. Rs. 400

### Right Answer is: D

#### SOLUTION

Let first instalment = 100 unit

Hence second instalment = 300 unit

And Third instalment = 200 unit

Rate of SI = 5%

Interest on first instalment = Rs. 10 unit

Interest on second instalment = Rs. 15 unit

Net amount = 100 + 300 + 200 + 10 + 15 = 625 unit

⇒ 625 unit = Rs. 1250

⇒ 1 unit = Rs. 2

⇒ 200 unit = Rs. 400

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Rs. 1250 is discharged through annual instalments, if first instalment