Question : The greatest possible length that can be used to measure exactly the lengths of 3 m 15 cm, 5 m, and 6 m 85 cm is:

Option 1: 9 cm

Option 2: 11 cm

Option 3: 7 cm

Option 4: 5 cm

Question : The radii of two circles are 5 cm and 3 cm. The distance between their centre is 24 cm. Then the length of the transverse common tangent is:

Option 1: $16$ cm

Option 2: $15\sqrt{2}$ cm

Option 3: $16\sqrt{2}$ cm

Option 4: $15$ cm

Question : The least number of five digits which is exactly divisible by 9, 12, 15, 25 and 27 is:

Option 1: 10800

Option 2: 10250

Option 3: 10700

Option 4: 10600

Question : Find the greatest possible length (in metres) that can be used to exactly measure the lengths 6 m, 5 m 25 cm and 12 m 50 cm.

Option 1: 0.25 m

Option 2: 0.75 m

Option 3: 0.90 m

Option 4: 0.35 m

Question : The longest rod that can be placed in a room is 12 metres long, 9 metres broad, and 8 metres high is:

Option 1: 27 m

Option 2: 19 m

Option 3: 17 m

Option 4: 13 m