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UIIC AO Simple Interest — practice questions

Explore 50 free Simple Interest questions in UIIC AO Quantitative Aptitude. Open each question or exercise to read its content, reference answers and available explanation.

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Simple Interest questions and exercises with answers

Showing questions 1–30 of 50.

Find the simple interest on ₹8,000 at 12% p.a. for 3 years.Read the answer and worked solution →What sum of money lent at 8% p.a. will earn ₹4,800 simple interest in 5 years?Read the answer and worked solution →A sum doubles itself at simple interest in 8 years. What is the rate of interest?Read the answer and worked solution →In how many years will a sum become 4 times itself at 25% p.a. simple interest?Read the answer and worked solution →The SI on a sum for 5 years at 6% p.a. is ₹1,500. Find the principal.Read the answer and worked solution →A sum was lent at simple interest. In 4 years it amounted to ₹9,200 and in 7 years to ₹11,000. Find the principal.Read the answer and worked solution →At what rate of simple interest will a sum of ₹2,000 amount to ₹2,720 in 4 years?Read the answer and worked solution →Complete the idea of a percentageRead the answer and worked solution →Ratios into percentagesRead the answer and worked solution →Order the steps of the unitary methodRead the answer and worked solution →What is the percentage taken OF?Read the answer and worked solution →True or false: percentages and their baseRead the answer and worked solution →Match each comparison to its formRead the answer and worked solution →Common percentage conversionsRead the answer and worked solution →Assertion and reasonRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Three of these are wrong. Find the one that holds.Read the answer and worked solution →Tap every correct way to express one quarterRead the answer and worked solution →Flip and pair: fraction with percentageRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →True or false: the unitary methodRead the answer and worked solution →Ratio, fraction, or percentage?Read the answer and worked solution →Complete the comparison chainRead the answer and worked solution →Percentage of a quantityRead the answer and worked solution →Order the steps: turn a part into a percentageRead the answer and worked solution →Assertion and reason: comparisonsRead the answer and worked solution →Complete the idea of simple interestRead the answer and worked solution →Simple interest worked outRead the answer and worked solution →True or false: simple interestRead the answer and worked solution →Which part of the calculation is this?Read the answer and worked solution →

Worked practice questions

Find the simple interest on ₹8,000 at 12% p.a. for 3 years.

  1. ₹2,400
  2. ₹2,880
  3. ₹3,000
  4. ₹3,360
Show answer and solution

Correct answer: B. ₹2,880

1. SI = P × R × T / 100. 2. SI = 8000 × 12 × 3 / 100. 3. = ₹2,880. _Source: jkchrome SI-CI QB, p.1 — basic SI_

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What sum of money lent at 8% p.a. will earn ₹4,800 simple interest in 5 years?

  1. ₹10,000
  2. ₹12,000
  3. ₹15,000
  4. ₹6,000
Show answer and solution

Correct answer: B. ₹12,000

1. SI = PRT/100 → P = SI × 100 / (RT). 2. P = 4800 × 100 / (8 × 5). 3. P = 480000 / 40 = ₹12,000. _Source: jkchrome SI-CI QB, p.1 — finding principal_

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A sum doubles itself at simple interest in 8 years. What is the rate of interest?

  1. 10%
  2. 12.5%
  3. 15%
  4. 20%
Show answer and solution

Correct answer: B. 12.5%

1. If sum doubles, SI = principal. 2. P = P × R × 8 / 100. 3. R = 100 / 8 = 12.5%. _Source: jkchrome SI-CI QB, p.1 — doubling at SI_

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