Question : What is the value of the Least Distance of Distinct vision (in cm) for a normal human being?

Option 1: 2.5

Option 2: 25

Option 3: 58

Option 4: 60

Question : The least distance of distinct vision is:

Option 1: 35 cm

Option 2: 25 cm

Option 3: 45 cm

Option 4: 15 cm

Question : Possible lengths of the three sides of a triangle are:

Option 1: 2 cm, 3 cm, and 6 cm

Option 2: 3 cm, 4 cm, and 5 cm

Option 3: 2.5 cm, 3.5 cm, and 6 cm

Option 4: 4 cm, 4 cm, and 9 cm

Question : In a circle of radius 3 cm, two chords of length 2 cm and 3 cm lie on the same side of a diameter. What is the perpendicular distance between the two chords?

Option 1: $\frac{4 \sqrt{3}-3 \sqrt{2}}{2}$ cm

Option 2: $\frac{4 \sqrt{2}-3 \sqrt{3}}{2}$ cm

Option 3: $\frac{4 \sqrt{2}-3 \sqrt{3}}{3}$ cm

Option 4: $\frac{4 \sqrt{2}-3 \sqrt{3}}{4}$ cm

Question : All sides of a quadrilateral ABCD touch a circle. If AB = 6 cm, BC = 7.5 cm, CD = 3 cm, then DA is:

Option 1: 3.5 cm

Option 2: 4.5 cm

Option 3: 2.5 cm

Option 4: 1.5 cm

Question : $\triangle$ XYZ is a right-angled triangle and $\angle$Y = 90° If XY = 2.5 cm and YZ = 6 cm, then the circumradius of $\triangle$XYZ is:

Option 1: 6.5 cm

Option 2: 3.25 cm

Option 3: 3 cm

Option 4: 2.5 cm