alleryStart learning →Find simple interest on ₹12,000 at 7% yearly for three years.
- ₹2,420
- ₹2,720
- ₹2,620
- ₹2,520
Show answer and solution
Correct answer: D. ₹2,520
Simple interest is ₹12,000 × 0.07 × 3 = ₹2,520.
RRB NTPC Percentage — practice questions — page 3
Explore 79 free Percentage questions in RRB NTPC Mathematics. Open each question or exercise to read its content, reference answers and available explanation.
Practise Percentage with Quill →Percentage questions and exercises with answers
Showing questions 61–79 of 79.
Find simple interest on ₹12,000 at 7% yearly for three years.Read the answer and worked solution →A ₹4,000 price gets a 20% discount, then 5% tax on the sale price. Final bill?Read the answer and worked solution →A ₹1,800 item is discounted 10%, then taxed 12%. What is the bill?Read the answer and worked solution →An item priced at ₹1,400 before tax costs ₹1,512 after tax. Find the tax rate.Read the answer and worked solution →A ₹2,000 marked price sells for ₹1,460. What percent discount was given?Read the answer and worked solution →A shop gives successive discounts of 15% and 12% on ₹4,000. Sale price?Read the answer and worked solution →A ₹5,000 sum earns 10% the first year and 5% the second. Compound amount?Read the answer and worked solution →A price rises 8% yearly for three years from ₹10,000. Find its amount.Read the answer and worked solution →A machine worth ₹15,000 loses 10% yearly for two years. Value left?Read the answer and worked solution →A city of 50,000 grows 2% each year. Population after two years?Read the answer and worked solution →A ₹2,000 item gets 10% off, then another 5% off. What is the sale price?Read the answer and worked solution →The sale price is ₹2,040 after a 15% discount. Find the marked price.Read the answer and worked solution →A ₹2,400 bill has a 15% discount and 5% tax on the discounted price. Total?Read the answer and worked solution →A ₹1,260 total includes 5% tax. Find the tax amount.Read the answer and worked solution →₹10,000 is invested at 10% annually for three years. Compound amount?Read the answer and worked solution →After three years at 10% compound interest, an investment is ₹1,331. What was the principal?Read the answer and worked solution →At 8% simple interest for four years, ₹7,500 earns how much interest?Read the answer and worked solution →A ₹12,000 item is discounted 25%, then 8% tax is added. Total due?Read the answer and worked solution →An item bought for ₹1,000 has ₹100 overhead. If sold for ₹1,320, profit rate?Read the answer and worked solution →
Worked practice questions
A ₹4,000 price gets a 20% discount, then 5% tax on the sale price. Final bill?
- ₹3,200
- ₹3,360
- ₹3,400
- ₹3,600
Show answer and solution
Correct answer: B. ₹3,360
After the discount ₹3,200 remains; 5% tax adds ₹160.
A ₹1,800 item is discounted 10%, then taxed 12%. What is the bill?
- ₹1,814.40
- ₹1,814.80
- ₹1,824
- ₹1,836
Show answer and solution
Correct answer: A. ₹1,814.40
The final amount is ₹1,800 × 0.90 × 1.12 = ₹1,814.40.
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