Class 8 Math – Squares & Pythagorean Triplets<\/title>\n<\/head>\n<body>\n <center>\n <h1>Class 8 Mathematics<\/h1>\n <h2>Squares and Pythagorean Triplets – Multiple Choice Questions<\/h2>\n \n <table border=\"1\" cellpadding=\"10\" cellspacing=\"0\" width=\"90%\" bgcolor=\"#f9f9f9\">\n <tr bgcolor=\"#FF5722\" style=\"color: white;\">\n <th width=\"5%\">Q.No.<\/th>\n <th width=\"60%\">Question<\/th>\n <th width=\"35%\">Options<\/th>\n <\/tr>\n <tr>\n <td align=\"center\">1<\/td>\n <td>Is (1, 2, 3) a Pythagorean triplet?<\/td>\n <td>\n a) Yes \n b) No \n c) Sometimes \n d) Cannot determine\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">2<\/td>\n <td>What is the sum of 1 + 3 + 5 + 7 + 9 without adding?<\/td>\n <td>\n a) 5\u00b2 \n b) 6\u00b2 \n c) 7\u00b2 \n d) 8\u00b2\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">3<\/td>\n <td>Which of the following is not a perfect square?<\/td>\n <td>\n a) 144 \n b) 1234 \n c) 256 \n d) 400\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">4<\/td>\n <td>Which of the following numbers has an even square?<\/td>\n <td>\n a) 11 \n b) 13 \n c) 15 \n d) 12\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">5<\/td>\n <td>Which of the following is a Pythagorean triplet?<\/td>\n <td>\n a) (1, 2, 3) \n b) (3, 4, 5) \n c) (2, 3, 4) \n d) (4, 5, 6)\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">6<\/td>\n <td>What is the square of an odd number always?<\/td>\n <td>\n a) Even \n b) Odd \n c) Prime \n d) Composite\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">7<\/td>\n <td>What is the square of an even number always?<\/td>\n <td>\n a) Even \n b) Odd \n c) Prime \n d) Composite\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">8<\/td>\n <td>The square of which number is always less than the number itself?<\/td>\n <td>\n a) 1 \n b) 2 \n c) Fraction between 0 and 1 \n d) Negative number\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">9<\/td>\n <td>What is the sum of 1 + 3 + 5 + 7?<\/td>\n <td>\n a) 4\u00b2 \n b) 5\u00b2 \n c) 6\u00b2 \n d) 7\u00b2\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">10<\/td>\n <td>What is the sum of 1 + 3?<\/td>\n <td>\n a) 1\u00b2 \n b) 2\u00b2 \n c) 3\u00b2 \n d) 4\u00b2\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">11<\/td>\n <td>What is the sum of 1 + 3 + 5?<\/td>\n <td>\n a) 2\u00b2 \n b) 3\u00b2 \n c) 4\u00b2 \n d) 5\u00b2\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">12<\/td>\n <td>Which of these numbers is a perfect square?<\/td>\n <td>\n a) 111 \n b) 139422 \n c) 2000 \n d) 121\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">13<\/td>\n <td>What is the Pythagorean triplet starting with 3?<\/td>\n <td>\n a) (3, 4, 5) \n b) (3, 5, 7) \n c) (3, 6, 9) \n d) (3, 8, 10)\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">14<\/td>\n <td>What is the Pythagorean triplet starting with 7?<\/td>\n <td>\n a) (7, 14, 21) \n b) (7, 24, 25) \n c) (7, 8, 9) \n d) (7, 10, 12)\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">15<\/td>\n <td>What is the Pythagorean triplet starting with 10?<\/td>\n <td>\n a) (10, 20, 30) \n b) (10, 11, 12) \n c) (10, 24, 26) \n d) (10, 15, 20)\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">16<\/td>\n <td>How can 81 be expressed as a sum of odd numbers?<\/td>\n <td>\n a) 1+3+5+…+17 \n b) 1+3+5+…+15 \n c) 1+3+5+…+19 \n d) 1+3+5+…+13\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">17<\/td>\n <td>How can 121 be expressed as a sum of odd numbers?<\/td>\n <td>\n a) 1+3+5+…+19 \n b) 1+3+5+…+21 \n c) 1+3+5+…+23 \n d) 1+3+5+…+25\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">18<\/td>\n <td>What is the square root of 256?<\/td>\n <td>\n a) 14 \n b) 16 \n c) 18 \n d) 20\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">19<\/td>\n <td>What is the square of 25?<\/td>\n <td>\n a) 525 \n b) 625 \n c) 725 \n d) 825\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">20<\/td>\n <td>Which of these is not a property of perfect squares?<\/td>\n <td>\n a) They end with even number of zeros \n b) They end with 2, 3, 7, or 8 \n c) They end with 1, 4, 5, 6, or 9 \n d) Digital root is 1, 4, 7, or 9\n <\/td>\n <\/tr>\n <\/table>\n\n \n <table border=\"1\" cellpadding=\"10\" cellspacing=\"0\" width=\"90%\" bgcolor=\"#e8f5e9\">\n <tr bgcolor=\"#4CAF50\" style=\"color: white;\">\n <th colspan=\"4\">Answer Key<\/th>\n <\/tr>\n <tr>\n <td>1. b) No<\/td>\n <td>2. a) 5\u00b2<\/td>\n <td>3. b) 1234<\/td>\n <td>4. d) 12<\/td>\n <\/tr>\n <tr>\n <td>5. b) (3, 4, 5)<\/td>\n <td>6. b) Odd<\/td>\n <td>7. a) Even<\/td>\n <td>8. c) Fraction between 0 and 1<\/td>\n <\/tr>\n <tr>\n <td>9. a) 4\u00b2<\/td>\n <td>10. b) 2\u00b2<\/td>\n <td>11. b) 3\u00b2<\/td>\n <td>12. d) 121<\/td>\n <\/tr>\n <tr>\n <td>13. a) (3, 4, 5)<\/td>\n <td>14. b) (7, 24, 25)<\/td>\n <td>15. c) (10, 24, 26)<\/td>\n <td>16. a) 1+3+5+…+17<\/td>\n <\/tr>\n <tr>\n <td>17. b) 1+3+5+…+21<\/td>\n <td>18. b) 16<\/td>\n <td>19. b) 625<\/td>\n <td>20. b) They end with 2, 3, 7, or 8<\/td>\n <\/tr>\n <\/table>\n\n Practice these questions to master the concepts of squares and Pythagorean triplets!<\/i><\/p>\n <\/center>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"Class 8 Math – Squares & Pythagorean Triplets Class 8 Mathematics Squares and Pythagorean Triplets – Multiple Choice Questions Q.No. Question Options 1 Is (1, 2, 3) a Pythagorean triplet? a) Yes b) No c) Sometimes d) Cannot determine 2 What is the sum of 1 + 3 + 5 + 7 + 9 without […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-162756","post","type-post","status-publish","format-standard","hentry","category-uncategorized","cat-1-id"],"yoast_head":"\n<title>Squares and 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{"id":162756,"date":"2025-09-19T15:23:47","date_gmt":"2025-09-19T15:23:47","guid":{"rendered":"https:\/\/news.gyankatta.org\/?p=162756"},"modified":"2025-09-19T15:23:49","modified_gmt":"2025-09-19T15:23:49","slug":"squares-and-pythagorean-triplets","status":"publish","type":"post","link":"https:\/\/news.gyankatta.org\/?p=162756","title":{"rendered":"Squares and Pythagorean Triplets"},"content":{"rendered":"\n\n\n\n \n \n Class 8 Math – Squares & Pythagorean Triplets<\/title>\n<\/head>\n<body>\n <center>\n <h1>Class 8 Mathematics<\/h1>\n <h2>Squares and Pythagorean Triplets – Multiple Choice Questions<\/h2>\n \n <table border=\"1\" cellpadding=\"10\" cellspacing=\"0\" width=\"90%\" bgcolor=\"#f9f9f9\">\n <tr bgcolor=\"#FF5722\" style=\"color: white;\">\n <th width=\"5%\">Q.No.<\/th>\n <th width=\"60%\">Question<\/th>\n <th width=\"35%\">Options<\/th>\n <\/tr>\n <tr>\n <td align=\"center\">1<\/td>\n <td>Is (1, 2, 3) a Pythagorean triplet?<\/td>\n <td>\n a) Yes \n b) No \n c) Sometimes \n d) Cannot determine\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">2<\/td>\n <td>What is the sum of 1 + 3 + 5 + 7 + 9 without adding?<\/td>\n <td>\n a) 5\u00b2 \n b) 6\u00b2 \n c) 7\u00b2 \n d) 8\u00b2\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">3<\/td>\n <td>Which of the following is not a perfect square?<\/td>\n <td>\n a) 144 \n b) 1234 \n c) 256 \n d) 400\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">4<\/td>\n <td>Which of the following numbers has an even square?<\/td>\n <td>\n a) 11 \n b) 13 \n c) 15 \n d) 12\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">5<\/td>\n <td>Which of the following is a Pythagorean triplet?<\/td>\n <td>\n a) (1, 2, 3) \n b) (3, 4, 5) \n c) (2, 3, 4) \n d) (4, 5, 6)\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">6<\/td>\n <td>What is the square of an odd number always?<\/td>\n <td>\n a) Even \n b) Odd \n c) Prime \n d) Composite\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">7<\/td>\n <td>What is the square of an even number always?<\/td>\n <td>\n a) Even \n b) Odd \n c) Prime \n d) Composite\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">8<\/td>\n <td>The square of which number is always less than the number itself?<\/td>\n <td>\n a) 1 \n b) 2 \n c) Fraction between 0 and 1 \n d) Negative number\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">9<\/td>\n <td>What is the sum of 1 + 3 + 5 + 7?<\/td>\n <td>\n a) 4\u00b2 \n b) 5\u00b2 \n c) 6\u00b2 \n d) 7\u00b2\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">10<\/td>\n <td>What is the sum of 1 + 3?<\/td>\n <td>\n a) 1\u00b2 \n b) 2\u00b2 \n c) 3\u00b2 \n d) 4\u00b2\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">11<\/td>\n <td>What is the sum of 1 + 3 + 5?<\/td>\n <td>\n a) 2\u00b2 \n b) 3\u00b2 \n c) 4\u00b2 \n d) 5\u00b2\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">12<\/td>\n <td>Which of these numbers is a perfect square?<\/td>\n <td>\n a) 111 \n b) 139422 \n c) 2000 \n d) 121\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">13<\/td>\n <td>What is the Pythagorean triplet starting with 3?<\/td>\n <td>\n a) (3, 4, 5) \n b) (3, 5, 7) \n c) (3, 6, 9) \n d) (3, 8, 10)\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">14<\/td>\n <td>What is the Pythagorean triplet starting with 7?<\/td>\n <td>\n a) (7, 14, 21) \n b) (7, 24, 25) \n c) (7, 8, 9) \n d) (7, 10, 12)\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">15<\/td>\n <td>What is the Pythagorean triplet starting with 10?<\/td>\n <td>\n a) (10, 20, 30) \n b) (10, 11, 12) \n c) (10, 24, 26) \n d) (10, 15, 20)\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">16<\/td>\n <td>How can 81 be expressed as a sum of odd numbers?<\/td>\n <td>\n a) 1+3+5+…+17 \n b) 1+3+5+…+15 \n c) 1+3+5+…+19 \n d) 1+3+5+…+13\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">17<\/td>\n <td>How can 121 be expressed as a sum of odd numbers?<\/td>\n <td>\n a) 1+3+5+…+19 \n b) 1+3+5+…+21 \n c) 1+3+5+…+23 \n d) 1+3+5+…+25\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">18<\/td>\n <td>What is the square root of 256?<\/td>\n <td>\n a) 14 \n b) 16 \n c) 18 \n d) 20\n <\/td>\n <\/tr>\n <tr>\n <td align=\"center\">19<\/td>\n <td>What is the square of 25?<\/td>\n <td>\n a) 525 \n b) 625 \n c) 725 \n d) 825\n <\/td>\n <\/tr>\n <tr bgcolor=\"#ffe0b2\">\n <td align=\"center\">20<\/td>\n <td>Which of these is not a property of perfect squares?<\/td>\n <td>\n a) They end with even number of zeros \n b) They end with 2, 3, 7, or 8 \n c) They end with 1, 4, 5, 6, or 9 \n d) Digital root is 1, 4, 7, or 9\n <\/td>\n <\/tr>\n <\/table>\n\n \n <table border=\"1\" cellpadding=\"10\" cellspacing=\"0\" width=\"90%\" bgcolor=\"#e8f5e9\">\n <tr bgcolor=\"#4CAF50\" style=\"color: white;\">\n <th colspan=\"4\">Answer Key<\/th>\n <\/tr>\n <tr>\n <td>1. b) No<\/td>\n <td>2. a) 5\u00b2<\/td>\n <td>3. b) 1234<\/td>\n <td>4. d) 12<\/td>\n <\/tr>\n <tr>\n <td>5. b) (3, 4, 5)<\/td>\n <td>6. b) Odd<\/td>\n <td>7. a) Even<\/td>\n <td>8. c) Fraction between 0 and 1<\/td>\n <\/tr>\n <tr>\n <td>9. a) 4\u00b2<\/td>\n <td>10. b) 2\u00b2<\/td>\n <td>11. b) 3\u00b2<\/td>\n <td>12. d) 121<\/td>\n <\/tr>\n <tr>\n <td>13. a) (3, 4, 5)<\/td>\n <td>14. b) (7, 24, 25)<\/td>\n <td>15. c) (10, 24, 26)<\/td>\n <td>16. a) 1+3+5+…+17<\/td>\n <\/tr>\n <tr>\n <td>17. b) 1+3+5+…+21<\/td>\n <td>18. b) 16<\/td>\n <td>19. b) 625<\/td>\n <td>20. b) They end with 2, 3, 7, or 8<\/td>\n <\/tr>\n <\/table>\n\n Practice these questions to master the concepts of squares and Pythagorean triplets!<\/i><\/p>\n <\/center>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"Class 8 Math – Squares & Pythagorean Triplets Class 8 Mathematics Squares and Pythagorean Triplets – Multiple Choice Questions Q.No. Question Options 1 Is (1, 2, 3) a Pythagorean triplet? a) Yes b) No c) Sometimes d) Cannot determine 2 What is the sum of 1 + 3 + 5 + 7 + 9 without 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