Question : Find the HCF of 125, 250, and 750.

Option 1: 50

Option 2: 25

Option 3: 125

Option 4: 75

Question : Find the LCM of 20, 30, 45, and 65.

Option 1: 2000

Option 2: 2340

Option 3: 2240

Option 4: 180

Question : If 50% of (P –  Q) = 30% of (P + Q) and Q = $x$% of P, then the value of $x$ is:

Option 1: 30

Option 2: 25

Option 3: 20

Option 4: 50

Question : Two numbers are in the ratio of 4 : 3. The product of their HCF and LCM is 2700. The difference between the numbers is:

Option 1: 15

Option 2: 30

Option 3: 25

Option 4: 105

Question : The diameter of a hemisphere is equal to the diagonal of a rectangle of length 4 cm and breadth 3 cm. Find the total surface area (in cm²) of the hemisphere.

Option 1: $25 \pi$

Option 2: $\frac{75 \pi}{4}$

Option 3: $\frac{50 \pi}{4}$

Option 4: $\frac{25 \pi}{4}$