# Square and Cube Practice Set

 1. 136√? + 2841 = 8961 A. 2116 B. 1936 C. 2025 D. 2209 Answer: Option C Explanation: 136√? + 2841 = 8961 or 136√? = 8961 – 2841 or √? = 6120⁄136 = 45 ? = (45)2 = 2025 View / Hide Answer

 2. √? + 41⁄5 of 980 = 4180 A. 4096 B. 4225 C. 3969 D. 3844 Answer: Option A Explanation:√? + 21⁄5 of 980 = 4180 or √? + 4116 = 4180 or √? = 4180 – 4116 = 64 ? = (64)2 = 4096 View / Hide Answer

 3. 19√? + 291 = 340 × 2⁄5 + 364 A. 100 B. 121 C. 144 D. 81 Answer: Option B Explanation:19√? + 291 = 340 × 2⁄5 + 364 or 19√? + 291 = 136 + 364 or 19√? = 500 – 291 = 209 √? = 290⁄19 = 11 ? = (11)2 = 121 View / Hide Answer

 4. (√77284)2 A. 278 B. 268 C. 272 D. 262 Answer: Option A Explanation:(√77284)2 = ?2 or ? = √77284 = 278 View / Hide Answer

 5. √5776⁄√289 = ?⁄493 A. 2404 B. 2104 C. 2304 D. 2204 Answer: Option D Explanation:√5779⁄√289 = ?⁄493 or 76⁄17 = ?⁄493 ? = 493 × 76⁄17 = 2204 View / Hide Answer

 6. 48 + √49 + 25 – √25⁄√144 – √81 A. 26 B. 25 C. 24 D. 23 Answer: Option B Explanation:? = 48 + √49 + 25 – √25⁄√144-√81 = 48 + 7 + 25 – 5⁄12 – 9 = 75⁄3 = 25 View / Hide Answer