Percentage Question Set 14

Percentage Question Set 14

Hello Readers,

Percentage questions are asked in almost all competitive exams. They are followed by simple tricks and calculations, and cover about 2-5% of the paper marks. Here is a sample paper sheet of the Percentage based questions for your practice. Do give us a review.

Q1. In a co-education school there are 15 more girls than boys. If the number of girls is increased by 10% and the number of boys is also increased by 16%, there would be nine more girls than boys. What is the number of students in the school?
(a) 240
(b) 225
(c) 265
(d) 245
(e) None of these

Q2. The population of a city increases at the rate of 4% per annum. There is an additional annual increase of 1 % in the population due to the influx of job seekers. Therefore, the % increase in the population after 2 years will be:
(a) 10
(b) 10.25
(c) 10.55
(d) 10.75
(e) None of these

Q3. In a factory, producing parts of an automobile, the parts manufactured on the shop floor are required to go through quality checks, each conducted after a specific part of the processing on the raw material is completed. Only parts that are not rejected at one stage are put through subsequent stages of production and testing. If average rejection rates at these three testing stages during a month are 10%, 5% and 2% respectively, then what is the effective rejection rate for the whole plant?
(a) 17%
(b) 15.20%
(c) 84.80%
(d) 16.21%
(e) None of these

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Q4. In a class, 40% of the boys is same as 1/2 of the girls and there are 20 girls. Total number of students in the class is:
(a) 70
(b) 45
(c) 35
(d) 25
(e) None of these

Q5. In a company, there are 75% skilled workers and remaining ones are unskilled. 80% of skilled workers and 20% of unskilled workers are permanent. If number of temporary workers is 126, then what is the number of total workers?
(a) 480
(b) 510
(c) 360
(d) 377
(e) None of these

Answers: