Square Root & Square - 100 MCQ Mock Test Government Job Exams

Square Root & Square - 100 MCQ Mock Test Government Job Exams | Railway RRB / SSC / Banking Quantitative Aptitude • 100 Questions • 60 Minutes

⏱ 60:00

🏛 Square Root & Square - 100 MCQ Mock Test

Government Job Exams | Railway RRB / SSC / Banking

Quantitative Aptitude • 100 Questions • 60 Minutes

📌 Quick Revision Formulas:
• Perfect Squares: 1²=1, 2²=4, 3²=9, 4²=16, 5²=25, 6²=36, 7²=49, 8²=64, 9²=81, 10²=100, 11²=121, 12²=144, 13²=169, 14²=196, 15²=225, 16²=256, 17²=289, 18²=324, 19²=361, 20²=400, 21²=441, 22²=484, 23²=529, 24²=576, 25²=625, 26²=676, 27²=729, 28²=784, 29²=841, 30²=900, 31²=961, 32²=1024

• Unit Digit of Square: 0→0, 1→1, 2→4, 3→9, 4→6, 5→5, 6→6, 7→9, 8→4, 9→1
• Non-squares between n² and (n+1)² = 2n
• Sum of first n odd numbers = n²
• Rules: √a × √b = √(ab)  |  √(a/b) = √a / √b  |  (√a)² = a
• Numbers ending in 2, 3, 7, 8 are NEVER perfect squares