The square of 27x27:
Show answer & explanation
Correct answer: C
Explanation
27 × 27 = 27 × (20 + 7)
= 27 × 20 + 27 × 7
= 540 + 189
= 729
SSC Selection Post - Matriculation Level - 1st August 2025 - Shift 3 • Quantitative Aptitude • Q32
The square of 27x27:
Correct answer: C
Explanation
27 × 27 = 27 × (20 + 7)
= 27 × 20 + 27 × 7
= 540 + 189
= 729