which number is a perfect cube?\n88\n121\n243\n343

Explanation:

Step1: Recall the definition of a perfect cube

A perfect cube is a number (n) such that (n = m^3) for some integer (m).

Step2: Check each option

• For (88): We know that (4^3=64) and (5^3 = 125). Since (64<88<125), (88) is not a perfect cube.
• For (121): (4^3 = 64), (5^3=125). Since (64<121<125), (121) is not a perfect cube.
• For (243): (6^3=216), (7^3 = 343). Since (216<243<343), (243) is not a perfect cube.
• For (343): Since (7\times7\times7=7^3 = 343).

Answer:

(343)