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Simple Interest is an important topic in Mathematics. In this section, we calculate the interest on the principal amount which we borrow from any person or Bank. These types of questions are generally asked under Aptitude Section in competitive exams.

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Trigonometry is the oldest topic in the history of mathematics. This topic is mainly related to the sides of triangles and the angles of different figures. Unknown sides and angles are studied using trigonometry formulas or trigonometric identities. In trigonometry, angles are measured in degrees or radians.

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With the help of this topic, we can calculate the area, perimeter, and volume of cubes, cuboids, cones, triangles, squares, rectangles, circles, etc. This topic is difficult as compared to other subjects, but if you practice these questions continuously, then you can definitely master this subject.

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HCF and LCM is a topic that is asked in school exams apart from competitive exams. This topic is a little easier than other topics. If you practice these questions then you can score maximum marks on this topic. So, practice the questions given here as much as you can.

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A common error is an important topic in English subject. You have to find an error in the questions coming under this topic. Such questions come in all competitive exams like Bank, SSC, and other state-level exams. If the student keeps practicing these common error questions then he can get good marks in English subjects.

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Presently, the Railway NTPC exam is going to be conducted. We hope this blog will prove useful for your upcoming Railway NTPC CBT-2 exam and other railways exams. So, start your preparation with Railway Aptitude Questions and Answers below and improve your performance.

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Learn and practice with Elementary Mathematics Questions-Answers for your competitive exams here which will help you to increase your performance level. So, Start practicing Elementary Maths questions below -

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Ratio and proportion questions are easy as compared to other questions and these questions can prove to be helpful in increasing your score. So, in this article, providing Ratio and Proportion Questions and Answers for your practice.

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## Most Popular Articles

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## Recently Added Questions

Two things were sold at same sale-price. One thing got 10% profit and another suffered 10% loss. The difference of their purchase price will be in multiple of which number.Tell_____.

12 0 6337237393021d4ee41cc654- 110false
- 220true
- 315false
- 425false

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## Answer : 2 20

A cycle seller gives 10% discount on marked retail price and still earns 26% profit. If marked retail price of the cycle is Rs. 840/- Then how much money was paid by the seller for that cycle?

20 0 6337231a5c208a6bf71d20a4- 1₹ 600/-true
- 2₹ 650/-false
- 3₹ 700/-false
- 4₹ 750/-false

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## Answer : 1 ₹ 600/-

If the cost of production of an article is 2/5 of its marked retail price, If it is sold at 10% discount then what will be profit?

25 0 6337205e2ff7535af68887dc- 125%false
- 240%false
- 350%false
- 4125%true

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## Answer : 4 125%

The number of students in a school increases and decreases by 10% respectively in every alternate year. If there was increase in the year 2000 then in how much percentage what happened in the number of students in the vear 2003 in comparison to year 2000.

18 0 63371fd05c208a6bf71d023e- 18.9% decreasefalse
- 29.8% increasefalse
- 38.9% increasetrue
- 49.8% decreasefalse

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## Answer : 3 8.9% increase

The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is

39 0 6332ea732ff7535af672b2b5- 1$$1520 m^2$$false
- 2$$2420 m^2$$false
- 3$$2480 m^2$$false
- 4$$2520 m^2$$true

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