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6 . An automobile financier claims to be lending money at simple interest, but he includes interest every six months for calculating principal. If he is charging interest of 10%, the rate of Interest is-
A. 9.50% B. 10.00%
C. 10.25% D. 10.50%

7 . A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is:
A. 697 Rs. B. 698 Rs.
C. 699 Rs. D. 700 Rs.

8 . A sum of money lent out at simple interest amounts to Rs. 720 after 2 years and to Rs. 1020 after a further period of 5 years. The sum is:
A. 600 Rs. B. 610 Rs.
C. 620 Rs. D. 630 Rs.

9 . The rate at which a sum becomes four times of itself in 15 years at S.I., will be:
A. 17% B. 18%
C. 19% D. 20%

10 . If a sum of money at simple interest doubles in 6 years, it will become 4 times in:
A. 17 years B. 18 years
C. 19 years D. 20 years




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