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The Simple interest at the end of 3 year...

The Simple interest at the end of 3 years on a sum of Rs. 2800 is Rs. 420. What will be the simple interest on Rs. 3200 for the same period at the same rate ?
3 वर्षों के अंत में रु 2,800 की किसी राशि पर साधारण ब्याज रु 420 है | इसी दर और इतनी ही अवधि के लिए रु3200 पर साधारण ब्याज कितना होगा ?

A

Rs480

B

Rs560

C

Rs440

D

Rs640

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PINNACLE-SIMPLE INTEREST-EXERCISE
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  5. A sum doubles in seven years at simple interest. In how many years wil...

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  6. The simple interest on Rs x for m years at a rate of r% is equal to th...

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  7. If the simple interest on Rs. 28000 at some rate for three years is Rs...

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  8. A sum of Rs 8400 amounts to Rs 11,046 at 8.75% p.a. simple interest in...

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  9. A sum of Rs. 5,000 is divided into two parts such that the simple inte...

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  10. A sum amounts to Rs 14,395.20 at 9.25% p.a. simple interest in 5.4 yea...

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  11. A sum lent out at simple interest amounts to Rs. 6076 in 1 year and Rs...

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  12. A person invested one-fourth of the sum of Rs 25000 at a certain rate ...

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  13. A sum of Rs10,500 amounts to Rs13,825 in 3 4/5 years at a certain rate...

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  14. A borrows a sum of Rs 2000 from his friend B on 31 December 2007 on th...

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  15. A borrows a sum of Rs 3000 from his friend B on 31 December 2011 on th...

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  16. A sum of Rs. 15,000 is invested partly at 12% per annum and the remain...

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  17. A sum of Rs 15,600 is invested partly at 7% per annum and the remainin...

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  18. A borrowed a loan from B at 8% simple interest for 2 years and repaid ...

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  19. A sum at a simple interest of 8% p.a. Becomes 7/5 of itself in how man...

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  20. A sum of rs 10,200 is invested partly at 8% per annum and remaining at...

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