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- Subject
- Mathematics Mcqsmathematics-mcqs
- Published
- 2 Feb 2020
- Last updated
- 28 May 2026
Explanation
Let the original number be x. After increasing by 10%, the number becomes 110% of x, which is (11x/10). Then, reducing this new value by 10% results in 90% of (11x/10), calculated as (99x/100). The difference between the original and final number is x - (99x/100) = x/100, which is a 1% decrease.
More Mathematics Mcqs
Practice related questions from the same subject.
- 1.What is 80 percent of 700?
- 2.If the value of P is five times greater than Q, by what percentage is Q smaller than P?
- 3.What was the profession of Blaise Pascal?
- 4.Given that the total number of elements in set U is 60, with n(A) = 35, n(B) = 24, and the complement of n(A ∪ B) equals 10, what is the value of n(A ∩ B)?
- 5.Naeem sold a computer for Rs 25,000 and incurred a loss of 20%. What was the original purchase price of the computer?
- 6.How many centimeters are equivalent to 1 inch?
- 7.Calculate the average (arithmetic mean) of the numbers: 3, 6, 9, 12, and 15.
- 8.A truck travels 100 km in 2 hours and 30 minutes. If a car moves at a speed of 55 km/h, what is the ratio of the truck's speed to the car's speed?
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