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
The length of a square is increased by 15% and breadth decreased by 15%. The area of the rectangle so formed is
Ram’s income is 20% less than Shyam’s. How much is Shyam’s income more than Ram’s in percentage terms?
The population of a town is 155625. Forever, 1000 males, there are 1075 females. If 40% of the males and 24% of the females are literate, find the percentage of literacy in the town.
A company declares a dividend of 12% on ₹100 shares. A housewife buys such shares and gets 15% on her investment. At what price she bought the shares?
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 student multiplied a number by `3/5` instead of `5/3`. Find the error percentage.
Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A : B.
If 20% of a = b, then b% of 20 is the same as
A has some mangoes. He sold 40% more than he ate. If he sold 70 mangoes, how many did he eat?
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?
