The Value of a Machine Depreciates Every Year at the Rate of 10% on Its Value at the Beginning of that Year. If the Present Value of the Machine is Rs. 729, Its Worth Three Years Ago Was: - Mathematics


Choose the most appropriate option:

The value of a machine depreciates every year at the rate of 10% on its value at the beginning of that year. If the present value of the machine is Rs. 729, its worth three years ago was:


  • Rs. 1000

  • Rs. 750.87

  • Rs. 800

  • Rs. 947.70



Rs. 1000


Let the value of Machine 3 years ago = x

Depreciation rate = 10% pa

Present value = 729


x = ₹ 1000

Concept: Percentage, Discount and Partnership (Entrance Exam)
  Is there an error in this question or solution?
2015-2016 (May) Set 1


Solve the following question and mark the best possible option.
Jogen's taxable income for 2010-11 is Rs. 5,00,000. The tax rates are (i) nil for first 1,50,000, (ii) 10% for 150,001-3,00,000, and (iii) 20% for the remaining. His Tax liability is:

An employee of an organization invests a total of Rs 25,400 in two different schemes X and Y at a simple interest rate of 18% per annum and 10% per annum respectively. If a total of  Rs. 6460 has been earned as a simple interest in 2 years, what amount was invested in  Scheme Y?

A speaks truth in 75% cases and B in 80% of the cases. In v1hat percentage of cases are they likely to contradict each other. narrating the same incident?

Find 12% of 5000

Choose the most appropriate option:

A shop gives 15% discount on the purchase of a T.V. If paid for in cash immediately, a further discount of 12% is given. If the marked price is Rs. 15,000, what is the price of the T.V if cash purchase is made?

In a 120 litre of solution of Acid and water, acid is 75%. A person takes out 20 litres of this solution and added 16.2 litres of acid and 3.8 litres of water in the remaining solution. What is the percentage of water in the final solution?

A mixture of 40 litres of milk and water contains 10% of water. How much water is to be added to the mixture so that the water maybe 20% in the new mixture.

The petrol prices shot up by 7% as a result of the hike in the price of crudes. The price of petrol before the hike was ₹28 per litre. Vawal travels 2400 kilometers every month and his car gives a mileage of 18 kilometers to a litre. Find the increase in the expenditure that Vawal has to incur due to the increase in the price of petrol (to the nearest rupee)?

Two solutions of 90% and 97% purity are mixed resulting in 21 litres of a mixture of 94% purity. How much is the quantity of the first solution in the resulting mixture?

A man sells 5 articles for ₹15 and makes a profit of 20%. Find his gain or loss percent if he sells 8 such articles for ₹18.40.

A customized jewellery was sold at ₹1000 with a 90% discount on the ‘making charges’. If the payment made for making charges was ₹100, what was the approximate rate of discount on the product?

72% of students in a class took Physics and 44% took Mathematics. If each student took Physics or Mathematics and 40 took both, the total number of students in the class would be

Three candidates contested an election and received 1136, 7636 and 11628 votes, respectively. What percentage of the total votes did the winning candidate get?

Two tailors X and Y are paid a total of ₹ 550 per week by their employer. If X is paid 120% of the sum paid to Y. Then, how much is Y paid per week?

A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had

In a test, a candidate secured 336 marks out of maximum marks x. If the maximum marks x had been converted into 400 marks, he would have secured 192 marks. What was the maximum marks of the test?

Fresh grapes contain 90% water by weight while dried grapes contain 20% water by weight. What is the weight of dry grapes available from 20 kg of fresh grapes?

The population of a city is 2,96,000 out which 1,66,000 are males. 50% population is literate. If 70% males are literate, then the number of women who are literate is


      Forgot password?
Use app×