Navodaya Vidyalaya - Percentage - Multiple Choice Questions (MCQ) on Mathematics
Dear Readers, Welcome to Quantitative Aptitude #Percentage questions and answers with explanation. These Average solved examples with shortcuts and tricks will help you learn and practice for your Placement Test, competitive exams and entrance exam like Bank PO, IBPS PO, SBI PO, RRB PO, RBI Assistant, LIC,SSC, MBA - MAT, XAT, CAT, NMAT, UPSC, NET, Super 100 Haryana, Buniyaad Scheme Haryana, Super 100 NDA, Jawahar Navodaya Vidyalaya, MP Super 100, Super 100 Bhopal, NTSE etc.
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Let's go over some basics of percentages in mathematics.
Percentage is a way of expressing a portion of a whole as a fraction of 100. It is often denoted by the symbol "%". Percentages are used to compare parts of a whole or to express relative quantities. Here are some fundamental concepts related to percentages:
Converting Percentage to Fraction:
To convert a percentage to a fraction, you simply write the percentage as the numerator of the fraction and 100 as the denominator. Then, you can simplify the fraction if possible. For example:
25% = 25/100 = 1/4
75% = 75/100 = 3/4
10% = 10/100 = 1/10
Converting Percentage to Decimal:
To convert a percentage to a decimal, you move the decimal point two places to the left. For example:
50% = 0.50
15% = 0.15
80% = 0.80
Finding a Percentage of a Number:
To find a percentage of a number, multiply the number by the percentage as a decimal. For example:
20% of 200 = 0.20 * 200 = 40
75% of 80 = 0.75 * 80 = 60
5% of 400 = 0.05 * 400 = 20
Calculating Percentage Change:
To calculate the percentage change between two numbers, use the following formula:
Percentage Change = ((New Value - Old Value) / Old Value) * 100
Percentage Increase and Decrease:
If the percentage change is positive, it's a percentage increase.
If the percentage change is negative, it's a percentage decrease.
Finding the Original Amount:
If you know the percentage increase or decrease and the final value, you can find the original amount using the following formula:
Original Amount = Final Amount / (1 + Percentage Increase/Decrease as a decimal)
For example, if the final amount is $120 after a 20% increase, the original amount would be:
Original Amount = $120 / (1 + 0.20) = $120 / 1.20 = $100
These are some of the basic concepts related to percentages in math. They are commonly used in various real-life situations, such as calculating discounts, interest rates, and understanding proportions. If you have specific questions or need further clarification, feel free to ask!
About Navodaya Vidyalaya School
Navodaya Vidyalaya, also known as Jawahar Navodaya Vidyalaya (JNV), is a unique educational institution in India. It is a system of residential schools established by the Navodaya Vidyalaya Samiti, an autonomous organization under the Ministry of Education, Government of India.
The primary objective of Navodaya Vidyalayas is to provide quality education to talented and meritorious rural children from all over the country, especially from economically disadvantaged backgrounds. These schools aim to bridge the urban-rural divide in education by providing equal opportunities for students from rural areas to access excellent education facilities.
Navodaya Vidyalayas follow the CBSE curriculum and offer education from Class VI to Class XII. The schools have a holistic approach to education, focusing not only on academic excellence but also on the overall development of the students. They provide a nurturing environment that encourages students to develop their talents and interests in various fields, including sports, arts, and cultural activities.
One unique aspect of Navodaya Vidyalayas is that they are fully residential schools. The students reside on the campus, which promotes a strong sense of community and provides a conducive environment for learning and personal growth. The schools have well-equipped classrooms, libraries, laboratories, sports facilities, and hostels to cater to the educational and residential needs of the students.
Admission to Navodaya Vidyalayas is highly competitive and based on a national-level entrance examination called the Jawahar Navodaya Vidyalaya Selection Test (JNVST). The selected students receive free education, including textbooks, uniforms, and accommodation, ensuring that financial constraints do not hinder their educational journey.
Navodaya Vidyalayas have been successful in empowering students from rural areas and bringing out their full potential. Many students from these schools have excelled academically and have gone on to pursue higher education in prestigious institutions. The schools have made a significant contribution to the educational landscape of India by providing quality education and empowering the rural youth.
In summary, Navodaya Vidyalaya is a network of residential schools in India that offers quality education to talented rural students. It focuses on academic excellence, overall development, and equal opportunities for students from economically disadvantaged backgrounds. The schools aim to bridge the urban-rural divide in education and have been successful in nurturing young minds and empowering them to achieve their dreams.
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