Question : When a piece of stone is immersed in water, it displaces water of equal

Option 1: density

Option 2: specific gravity

Option 3: mass

Option 4: volume

Question : The angle at which a cricket ball should be hit to travel a maximum horizontal distance is:

Option 1: 60^o with the horizontal 

Option 2: 45^o with the horizontal

Option 3: 30^o with the horizontal

Option 4: 15^o with the horizontal

Question : If A = 2³ ×  3⁷, B = 2⁷ ×  3⁵ and C = 2⁸ × 3⁴, then what is the least common multiple of A, B and C?

Option 1: 2⁷× 3⁷

Option 2: 2⁶ × 3⁷

Option 3: 2⁸ × 3⁷

Option 4: 2⁹ × 3⁷

Question : If a : b = b : c, then what is the value of a⁶ : b⁶?

Option 1: a³ : b³

Option 2: b³ : ac

Option 3: a³ : c³

Option 4: a² : b²

Question : P = 2⁵ × 3⁸ and Q = 2³ × 3^K. If the highest common factor of P and Q is 2³ × 3³, then what is the value of K?

Option 1: 1

Option 2: 2

Option 3: 3

Option 4: 5