135 Articles

Problem Solving

About Problem Solving Questions Problem Solving questions test the ability of students to use their math understanding and skills to solve problems they could encounter in the real world. Many of these problems are set in academic and career contexts and are likely to draw from science and social science. How to approach sentence correction […]

Sentence Correction

About Sentence Correction Questions Sentence correction questions consist of a sentence with part underlined, followed by 4 or 5 answer choices. Your task is to choose the BEST version from the choices given. Sentence correction questions test your knowledge of standard written English. How to approach sentence correction questions It would be very easy if […]

Graham’s law of diffusion

About Graham’s law of diffusion In 1833, Graham established a relation ship between the rate of diffusion of gases and their densities which is terms as Graham’s law of diffusion. Statement The rates of diffusion of gases are inversely proportional to the square root of their densities under same condition of temperature and pressure Mathematic […]