Question

Which of the following sculptures is/are at least 7.5 metres tall?

• A. Sculpture A
• B. Sculpture B
• C. Sculpture C
• D. Both Sculpture A and Sculpture B

Answer 1

The correct option is C Sculpture C

Compare the height of each sculpture with the minimum height of 7.5 metres.

Sculpture A has a height of 7.321 meters. Comparing this to the minimum height of 7.5 m, we get:


The digits at the tenths place are 3 and 5.
As we know, 3 < 5.

∴ The height of sculpture A is less than $7.5$ metres.

Next, sculpture B has a height of 7.499 meters. Comparing this to the minimum height of 7.5 m, we get:


At the tenths place, we have 4 < 5.
∴ The height of sculpture B is less than 7.5 metres.

Now, sculpture C has height of 7.601 meters. Comparing this to the minimum height of 7.5 m, we get:


We have 6 > 5 in the tenths place.
So, sculpture C is taller than 7.5 metres.

∴ Of all the three sculptures, only sculpture C is at least 7.5 meters tall.