Simple Interest

1

A man invested `1/3` of his capital at 7% ; `1/4` at 8% and the remainder a 10% . If his annual income is Rs. 61, the capital is

A. Rs. 5400

B. Rs. 6000

C. Rs. 6600

D. Rs. 7200

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2: David Rs. 2379 into 3 parts so that their amounts after 2, 3 and 4 years respectively may be equal, the rate of interest being 5% per annum at simple interest. The first part is :

A. Rs. 759

B. Rs. 792

C. Rs. 818

D. Rs. 828

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3: A person invested in all Rs. 2600 at 4% , 6% and 8% per annum simple interest. At the end of the year, he got the same interest in all the three cases. The money invested at 4% is :

A. Rs. 200

B. Rs. 600

C. Rs. 800

D. Rs. 1200

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4: David intvested certain amount in three different schems A, B and C with the rate of interest 10% p.a. respectively.If the total interest accrued in one year was Rs. 3200 and the amount invested in scheme C was 150% of the amount invested in Scheme A and 240% of the amount invesed in Scheme B , what was the amount invested in Scheme B ?

A. Rs. 5000

B. Rs. 6500

C. Rs. 8000

D. cannot be determined

E. None of these

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5: An amount of Rs. 1,00,000 is invested in two types of shares. he first yield an interest of 9% p.a.and the second , 11% p.a. If the total interest a the end of one year is `9 3/4`%, then the amount invested in each share was :

A. Rs. 52,500, Rs. 47,500

B. Rs. 62,500, Rs. 37,500

C. Rs. 72,500, Rs. 27,500

D. Rs. 82,500, Rs. 17,500

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