Question : Which of the following set of angles forms a triangle?

Option 1: 60°, 70°, 80°

Option 2: 60°, 70°, 30°

Option 3: 60°, 40°, 80°

Option 4: 60°, 50°, 80°

Question : Which of the following pressure belt is known as the horse latitude?

Option 1: Sub - Polar Low Pressure

Option 2: Equatorial Low Pressure

Option 3: Sub - Tropical High Pressure

Option 4: High Pressure

Question : If $\sin (A-B)=\frac{1}{2}$ and $\sin (A+B)=1$, where A and B are positive acute angles and $ A \geq B$ then A and B are respectively:

Option 1: 80° and 10°

Option 2: 60° and 30°

Option 3: 70° and 20°

Option 4: 50° and 40°

Question : Subtropical high-pressure belts are otherwise called:

Option 1: Furious fifties

Option 2: Screeching sixties

Option 3: Horse latitudes

Option 4: Roaring forties

Question : If three angles of a triangle are (2y + 40°), (5y – 60°), and (3y – 80°). Then what is the value of y?

Option 1: 30°

Option 2: 24°

Option 3: 28°

Option 4: 26°