# Category Archives: School Learning

Question 1: Write the degree of each of the following polynomials: (i) 2x3 + 5x2 â€“ 7 (ii) 5x2 â€“ 3x + 2 (iii) 2xâ€¦ Read More
Question 1: Define an irrational number. Solution: A real number that cannot be expressed in the form of fractions i.e. p/q, where p and qâ€¦ Read More
Chapter 22 Mensuration III (Surface Area And Volume Of Right Circular Cylinder) – Exercise 22.2 | Set 1 Question 21.  A well is dug 20 mâ€¦ Read More
In each of the following Exercise 1 to 5, find the equation of the circle with Question 1: Centre (0, 2) and radius 2 Solution:â€¦ Read More
The terms HCF and LCM full forms are the Highest common factor and Least Common Multiple. HCF (Highest Common Factor) is used for two orâ€¦ Read More
A Person can gain profit only if Selling Price > Cost Price. Also, a person generates loss when Selling Price < Cost Price. So let’sâ€¦ Read More
Solve the following: Question 1: dy/dx = (x + y + 1)2 Solution: We have, dy/dx = (x + y + 1)2 Putting x +â€¦ Read More
Question 1. (Fill in the blanks using the correct word given in brackets: (i) All circles are _____________ (congruent, similar).(ii) All squares are _____________ (similar,â€¦ Read More
Question 1. Use Euclidâ€™s division algorithm to find the HCF of: (i) 135 and 225 (ii) 196 and 38220 (iii) 867 and 255 Solution: i)135â€¦ Read More
Question 1. In the given figure, lines AB and CD intersect at O. If âˆ AOC + âˆ BOE = 70Â° and âˆ BOD = 40Â°, find âˆ BOEâ€¦ Read More
Question 1. The sum of first three terms of an AP is 21 and the product of first and the third term exceed the secondâ€¦ Read More
Question 11: The sum of a number and its square is 63/4 , find the numbers. Solution: Let the number is = x so it’sâ€¦ Read More
Question 1. Find the maximum and the minimum values, if any, without using derivatives of the function f (x) = 4x2 â€“ 4x + 4â€¦ Read More
Question 1: Find two consecutive numbers whose squares have the sum 85. Solution: Let first number is = x â‡’ Second number = (x+1) Nowâ€¦ Read More
Problem 1: Let A = {1, 2, 3,…,14}. Define a relation R from A to A by R = {(x, y) : 3x â€“ yâ€¦ Read More