Tag Archives: NCERT Books Online Solutions

Anisha collects ancient coins. She has collected 100 coins of which 43 coins. We can express this in many ways. Using fractions we can say 43/100 of her coins are Indian coins. Using decimals we can say 0.43 coins of her collection are Indian coins. We can also express this …

Yash is an artist trying to find the perfect shade of green for his new painting. He is mixing. He is mixing tubes of yellow and blue paint to find his ‘perfect’ green. Subtraction is one way to compare the quantities of yellow and blue paint that Yash used 2 …

Question: Who was Soyrabai? Answer: She belonged to the Mahar caste. Question: Name two distinct cultural and religious groups in the country. Answer: Muslims and Parsis. Question: What did the marginal groups rely on to protect themselves from continued exploitation by other groups? Answer: Marginal groups relied on the Constitution of India …

Question: Mention the branches of the Legal system. Answer: The Legal system can be divided into 2 branches, criminal law and civil law. Question: What do you understand by the word ‘law’? Answer: Law is a system of rules, usually imposed through a Government or Institution and is applied to …

Question: Define the term “Criminal Justice System”. Answer: Criminal justice system is the ‘body of law’ or ‘Court’ regulating the inquiry into whether a person has violated criminal law or not. Question: What is the role of the police in the Criminal Justice System? Answer: In the Criminal Justice System …

The place value of a digit decreases every time it move to the right. It gets ten times smaller for every move to the right. The Decimals point is always placed after the ones place. After the decimal point, the place values are tenths, hundredths, thousandths, … All these places …

A faction shows a part of a whole. A whole can be region or a collection. You are familiar with these fractions. Like Fractions: Fractions that have same denominator are called like fractions, e.g., 3/7, 5/7, 1/7 Unlike fractions: Factions that have different denominators are called unlike fractions, e.g., 4/7, …

WHO IS RIGHT? Meera:  3+4×8 = 56 Manu: 3+4×8 = 35 Meera and Manu were both given the same question to solve. Notice that they both got different answer because Meera added first and Manu multiplied first. To be sure that there should be only one answer for sums like …

ADDITION AND SUBTRACTION Properties of Addition: When you change the order of the addends, the sum does not change. The sum of any number and zero is that same number. Adding large numbers is the same as adding smaller numbers. You start from the ones place and regroup (carry over) …

Question: What is reflection of light? Answer: The objects send back the light which falls on them. This sending back of light by objects is called reflection of light. Question:What is the second law of reflection? Answer: The second law of reflection states that the incident ray, the normal and the …