But Why is a show led by kids. They ask the questions and we find the answers. It’s a big interesting world out there. On But Why, we tackle topics large and small, about nature, words, even the end ...

Q2. What is the formula used in Arithmetic Mean? Ans. Arithmetic Mean = Sum of all terms in the AP / Number of terms in the AP Q3. What is the formula used in the Sum of ‘n’ terms of an AP? Ans. Sum ...

UP LT Grade Teacher Question Paper 2025: The Uttar Pradesh Public Service Commission (UPPSC) has successfully conducted the UP LT Grade exam for Home Science and Commerce today, on 21 December 2025 ...

Jan. 9, 2026 Stanford researchers have developed an AI that can predict future disease risk using data from just one night of sleep. The system analyzes detailed physiological signals, looking for ...