Advertisements
Advertisements
प्रश्न
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:
पर्याय
Rs. 1000
Rs. 750.87
Rs. 800
Rs. 947.70
Advertisements
उत्तर
Rs. 1000
Explanation:
Let the value of Machine 3 years ago = x
Depreciation rate = 10% pa
Present value = 729
`⇒"x"(1-10/100)^3=729`
x = ₹ 1000
APPEARS IN
संबंधित प्रश्न
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 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.
Two cubes of bronze have a total weight equivalent to 60 kg. The first piece contains 10 kg of pure zinc and the second piece contains 8 kg of pure zinc. What is the percentage of zinc in the first piece of bronze if the second piece contains 15 percent more zinc than the first?
Which one of the following is the same as 30% of 40% of 560?
Sheena’s test had 75 questions i.e., 10 on English, 30 on Reasoning and 35 on Legal Aptitude. Although she answered 70% of the English, 40% of the Reasoning and 60% of the Legal Aptitude questions correctly, she did not pass the test because she got less than 60% of the questions right. How many questions she would have needed to answer correctly to earn a 60% passing grade?
The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is
What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit?
A student multiplied a number by `3/5` instead of `5/3`. Find the error percentage.
A has some mangoes. He sold 40% more than he ate. If he sold 70 mangoes, how many did he eat?
