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

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

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

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

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