Find next number: 1, 1, 2, 3, 5, 8, ?

Which hormone is produced by the pancreas to lower blood glucose?

Five friends A, B, C, D, E sit in a pentagon. A is opposite to C. B is between A and D. E is between D and C. Who is between B and E?

Statements: Some cars are buses. All buses are trucks. Some trucks are bikes. All bikes are scooters. Conclusion I: Some cars are scooters. Conclusion II: Some buses are bikes. Which is correct?

Which of the following is a density-independent factor?

Cystic fibrosis is caused by a mutation in which gene?