Which of the following is an operating system?
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If x and y are natural numbers such that x + y = 2017, then what is the value of (– 1)x+ (– 1)y?
A dishonest milkman buys milk at Rs 24 per litre and adds 1/3 of water to it and sells the mixture at Rs 32 per litre. What is his gain?
If 52 % 32 = 40, 22 % 20 = 4 then what is the value of 15 % 11 = ?
Which among the following has the maximum density?
Rate at which velocity changes over time?
Acceleration is nothing but the rate at which velocity changes over time.
A shopkeeper allows a discount of 20% to his customers and still gains 25%. Find the Marked price of an article which costs Rs.600 to the shopkeeper.
A boy found the answer for the question "Subtract the sum of 1/4 and 1/5 from unity and express the answer in decimals" as 0.45. The percentage of error in his answer was
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