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What is the correct answer?

4

a certain sum amounts to rs.7350 in 2 years and to rs.8575 in 3 years.find the sum and rate ercent.

A. 5400

B. 6400

C. 7400

D. 8767

Correct Answer :

A. 5400


S.I on rs.7350 for 1 year=rs.(8575-7350)=rs.1225.


Rate=(100*1225/7350*1)%=16 2/3%


Let the sum be rs.x.then,


X(1+50/3*100)2=7350


X*7/6*7/6=7350


X=(7350*36/49)=5400.


Sum=rs.5400.

Related Questions

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If the compound interest on a certain sum at 16 (2/3)% to 3 years is Rs.1270, find the simple interest on the same sum at the same rate and f or the same period.

A. 1080

B. 1089

C. 2345

D. 1908

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Find the compound interest on Rs. 16,000 at 20% per annum for 9 months, Compounded quarterly.              

A. 2344

B. 2455

C. 3244

D. 2522

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a certain sum amounts to rs.7350 in 2 years and to rs.8575 in 3 years.find the sum and rate ercent.

A. 5400

B. 6400

C. 7400

D. 8767

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If the simple interest on a sum of money at 5% per annum for 3 years is Rs. 1200, find the compound interest on the same sum for the same period at the same rate.

A. 1261

B. 1234

C. 1256

D. 1287

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10. The difference between the compound interest and the simple interest accrued on an amount of Rs. 18,000 in 2 years was Rs. 405. What was the rate of interest p.c.p.a. ?

A. 10%

B. 12%

C. 13%

D. 15%

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A sum of money doubles itself at compound interest in 15 years.in how many years will it become eight times?

A. 34 years

B. 37 years

C. 45 years

D. 47 years

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If Rs. 500 amounts to Rs. 583.20 in two years compounded annually, find the rate of interest per annum.


     

A. 7%p.a

B. 8%p.a

C. 9%p.a

D. 10%p.a

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4

The difference between the compound interest and simple interest on a certain sum at 10% per annum for 2 years is Rs. 631. Find the sum.

A. 53,100

B. 52,900

C. 63,100

D. 64,500

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In what time will Rs. 1000 become Rs. 1331 at 10% per annum compounded annually?

A. 1 year

B. 4 year

C. 3 year

D. 6 year

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Find compound interest on Rs. 7500 at 4% per annum for 2 years, compounded annually.

A. 512

B. 612

C. 712

D. 812

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Find the compound interest on Rs. 10,000 in 2 years at 4% per annum, the interest being cmpounded half-yearly.

A. 823

B. 824.32

C. 798.67

D. 800

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A sum of money amounts to rs.6690 after 3 years and to rs.10,035 after 6 years on compound interest. Find the sum.

A. 3467

B. 4560

C. 4460

D. 7890

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Find compound interest on Rs. 8000 at 15% per annum for 2 years 4 months, compounded annually.

A. 3109

B. 3210

C. 3901

D. 1309