Maths is quite an abstract subject, and it can be rather intimidating at times. However, you can learn mathematics easily and effortlessly if you practice enough. To guide you in this endeavour, we have provided detailed solutions on many important concepts. The solutions are elaborated with simple, yet detailed explanations. Relevant formulas are listed out wherever required. Tips and shortcuts are provided to save precious time and effort.

Content is presented in a format which can be comprehended with ease. This means students will understand concepts without much hassle. From an exam perspective, a wide range of questions is covered from a plethora of subjects concepts from Trigonometry and Statistics to Calculus and Integrals.

Just like any other subject, mathematics can be better understood through exhaustive practice. Consider this analogy: a skill such as dancing or painting can only be perfected with enough practice. Similarly, the only way to get better at math is to keep practising. Moreover, we have a database of questions extracted from school textbooks and competitive exams. These will help the students to practice and perfect concepts in mathematics.

We are also here to help you solve your doubts. Post your questions in the comment box below and we will immediately provide answers and a detailed step-by-step process to solve the same. Register at BYJU’S and start practising Maths Questions today!

Answer: Narain bought 120 oranges at ₹ 4 each. He sold 60 % of the oranges at ₹ 5 each and the remaining at ₹ 3.50 each. His profit is 10%....
Answer: Interest on ₹ 3000 at 10% per annum for a period of 3 years is ₹ 900. Given Principal= ₹ 3000 Time = 3 years Rate = 10% Then, we know...
Answer: Amount obtained by depositing ₹ 20,000 at 8 % per annum for six months is ₹ 20800. Given Principal= ₹ 20000 Time = 6 months = 6/12 =...
Answer: Interest on ₹ 12500 at 18% per annum for a period of 2 years and 4 months is ₹ 5250. Given: Principal= ₹ 12500 Time = 2 years 4 months...
Answer: 25 ml is 0.5 percent of 5 litres Let us assume 25 ml be Q % of 5 liters. So, 25 ml = Q % of 5l 25 = (Q/100) × 5 × 1000 Q =...
Answer: If A is increased by 20%, it equals B. If B is decreased by 50%, it equals C. Then 60 % of A is equal to C. Given: A is increased by...
Answer: Interest = (P × R × T)/100, where T is R % is and P is Principal. Example: Interest on ₹ 12500 at 18% per annum for a period...
Answer: The difference of interest for 2 years and 3 years on a sum of ₹ 2100 at 8% per annum is ₹ 168. Given: P = ₹ 2100 Time = 2 years Rate =...
Answer: To convert a fraction into a percent, we multiply it by 100. In mathematics, a percentage is a number or ratio that can be expressed...
Answer: To convert a decimal into a percent, we shift the decimal point two places to the right. In mathematics, the decimal to percent defines...
Answer: 2 : 3 = 66 % 2/3 = 0.06 0.06 = 66/100 0.06 = 66% ∴ 2 : 3 = 66 %...
Answer: Devangi buys a chair for ₹ 700 and sells it for ₹ 750. She earns a profit of % in the transaction. From the question it is given that,...
Answer: 18¾% = 3 : 16 18¾% = 75/4 % 18¾% = (75/4) × (1/100) 18¾% = 3 : 16 In mathematics, a percentage is a...
Answer: 30% of ₹ 360 = ₹ 108. It can be written as = (30/100) × 360 = 10800/100 = ₹ 108 ∴ 30% of ₹ 360 = ₹ 108 In mathematics, a...
Answer: 120 % of 50 km = 60 km. It can be written as = (120/100) × 50 = 6000/100 = 60 km ∴ 120 % of 50 km = 60 km. In...
Answer: 2.5 = 250 % 2.5 = 2.5 × 100 = 250% ∴ 2.5 = 250 % In mathematics, a percentage is a number or ratio that can be expressed...
Answer: (8/5) = 160 %. (8/5) is written in percentage as = (8/5) × 100 = 8 × 20 = 160 % ∴ (8/5) = 160 %. In mathematics, a...
Answer: A fraction with its denominator 100 is called a percent. In mathematics, a percentage is a number or ratio that can be expressed as a...
Answer: 15 kg is 30 % of 50 kg. Let us assume the percentage be P. So, P% of 50 kg = 15 kg (P/100) × 50 = 15 P/2 = 15 P = 15 × 2 P =...

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