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Quick random quizMixed questions, start right away Practice sets by topic20–25 MCQs per topic, answers explained

History

Ancient India
Medieval India
Modern India
India after independence
World history
Art & culture

Polity & society

Polity & constitution
International relations
Indian society
Ethics & integrity

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Indian economy
Indian geography
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CDSUPSC · twice a year · SSB interview
NDAUPSC · twice a year · SSB interview
CAPFUPSC · written test · interview
All exams →

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Ancient India
Medieval India
Modern India
India after independence
World history
Art & culture

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Simple Interest

Simple Interest: Formulas, Shortcuts and Solved Examples

You keep Rs 10,000 in a bank at 15% a year. How much extra money do…
A sum of money becomes double itself at simple interest after a certain time. What is true about the interest earned in that time?
What is the money borrowed or lent out for a certain period called?
If a sum P earns simple interest S.I. over time T at rate R, what is the correct formula for the amount?
What is the correct formula for simple interest, where P is principal, R is the rate percent per annum, and T is time in years?
A sum of Rs 2800 is lent out in two parts, one at 5% and the other at 9% simple interest per annum. If the total annual interest earned is Rs 198, find the amount lent at 5%.
A sum of Rs 1350 is lent out in two parts, one at 4% and the other at 6% simple interest per annum. If the total annual interest earned is Rs 60, find the amount lent at 4%.
A sum of Rs 2400 is lent out in two parts, one at 8% and the other at 12% simple interest per annum. If the total annual interest earned is Rs 242, find the amount lent at 8%.
A sum of Rs 1200 is lent out in two parts, one at 8% and the other at 6% simple interest per annum. If the total annual interest earned is Rs 84, find the amount lent at 8%.
A sum of Rs 1950 is lent out in two parts, one at 6% and the other at 4% simple interest per annum. If the total annual interest earned is Rs 85, find the amount lent at 6%.
A sum of Rs 2250 is lent out in two parts, one at 12% and the other at 5% simple interest per annum. If the total annual interest earned is Rs 249, find the amount lent at 12%.
A sum of Rs 2750 is lent out in two parts, one at 8% and the other at 5% simple interest per annum. If the total annual interest earned is Rs 178, find the amount lent at 8%.
A sum of Rs 1900 is lent out in two parts, one at 4% and the other at 10% simple interest per annum. If the total annual interest earned is Rs 178, find the amount lent at 4%.
A sum of Rs 1350 is lent out in two parts, one at 10% and the other at 7% simple interest per annum. If the total annual interest earned is Rs 105, find the amount lent at 10%.
A sum of Rs 650 is lent out in two parts, one at 8% and the other at 9% simple interest per annum. If the total annual interest earned is Rs 54, find the amount lent at 8%.
A sum of Rs 2900 is lent out in two parts, one at 5% and the other at 7% simple interest per annum. If the total annual interest earned is Rs 164, find the amount lent at 5%.
A sum of Rs 2300 is lent out in two parts, one at 4% and the other at 10% simple interest per annum. If the total annual interest earned is Rs 185, find the amount lent at 4%.
What equal annual installment will discharge a debt of Rs 477, due in 2 years, at 12% simple interest?
What equal annual installment will discharge a debt of Rs 1417, due in 4 years, at 6% simple interest?
What equal annual installment will discharge a debt of Rs 714, due in 2 years, at 4% simple interest?
What equal annual installment will discharge a debt of Rs 3245, due in 5 years, at 9% simple interest?
What equal annual installment will discharge a debt of Rs 645, due in 4 years, at 5% simple interest?
What equal annual installment will discharge a debt of Rs 1180, due in 5 years, at 9% simple interest?
What equal annual installment will discharge a debt of Rs 1530, due in 2 years, at 4% simple interest?
What equal annual installment will discharge a debt of Rs 3720, due in 5 years, at 12% simple interest?

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