In an examination 45% of students passed in math, 36% passed in English and 19% passed in both the subjects. What is the percentage of the students who failed in both the subjects?
Ans - 38
Concentrated oil is being sold at Rs. 44/kg which is 10% more than its cost price of preceding month. By what percentage a family should reduce consumption so as to keep the expenditure the same?
Ans -
9.09%
The cost of ploughing a rectangular field whose length is 15 meters and breadth is 20 meters is Rs 20 per 𝑚2m2.If the length of a rectangle is increased by 20% and breadth is decreased by 25% Find the cost of ploughing the new field .
Ans - 5400
If the first number is 20% less than the second number and the third number is 40% of the first number. How much is the second number as the percent of the third number?
Ans -
312.5%
If 50%(x-y) = 30% of (x+y), then what percent of x is y ?
Ans - 25%
Mr. Rajanish, MD of JK enterprises finds out the total revenue of the company is Rs 999300 and total expenditure of the company is Rs 666200 and rest is profit. Due to the establishment of a new plant, the revenue is increased by 19% and the expenditure is increased by 13%. Find the percentage change in profit.
Ans -
31%
Based on the data given below answer the following questions.
If a, b, c, d are positive integers, solve the questions with the 4 statements given below.
I. a% of (c + d) = 40
II. a – b = 20
III. b + c = 50
IV. a + b = (c + d)% of (a + b)
What percent is a of (b + c + d)?
Ans - 33.33%
The price of a commodity is increased by 5% in India. The consumption of same was increased from 400 tons to 480 tons. By how much percentage will the expenditure on the article rise in Indian economy?
Ans -
26%
Due to fall in manpower, the production in a factory decreases by 14.28%.By what percent the working hours be increased to restore the original level of production?
Ans -
16.66%
If the numerator of a fraction be increased by 14.28% and its denominator be diminished by 11.11%, the values of the fraction is 54355435. Find the original fraction.
Ans - 6/5
The number of boys to that of girls in a school is 120 : 30. If 75% of boys and 70% of the girls are scholarship-holders. Find the percentage of students who do not get a scholarship?
Ans -
26%
In an election between two candidates, 10% of the people did not vote. Winning candidate won the election by 1080 votes and it was found that he had been supported by 60% of the total number of voters . Which of the following can be the number of votes receded for each candidate?
Ans - 3240, 2160
Price of a movie ticket has increased by 6%, as a result, there was a reduction of 4% in the audience for the show. As an overall effect, revenue of the movie hall has increased by Rs. 94. Find the initial revenue of the movie hall.
Ans -
5340
The commission of a broker decreases by 25%, by how much he increased his business so as to get the same amount of commission?
Ans -
33.33%
In a maternity center, 10% of all the childbirth cases result in twins. What is the approximate percentage of twins of total children born?
Ans - 18.2%
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