In practice tests on square and square roots, we are providing different methods of problems with solutions. We are providing four options for every question. Practice the test paper on square roots and find the correct answer for the given questions. Improve your preparation level for every problem. Different methods included for every problem. Therefore, choose the best and easy method and learn the problems.<\/p>\n
Get clarity on every concept of Square root<\/a> by the provided links on our website.<\/p>\n 1 . Which of the following numbers is a perfect square? (b) 144<\/p>\n We need to find the perfect square number from the above options. 2. A perfect square number can never have the digit …… at the unit’s place. (c) 8<\/p>\n Firstly, we need to identify the unit’s place of the perfect square number. 3. Which of the following is a Pythagorean triplet? (d) (3, 4, 5)<\/p>\n Pythagorean triplet isX^2 + Y^2 = Z^2 4. Sum of the first n natural numbers is (b) n(n + 1) \/ 2<\/p>\n Sum of the first n natural numbers is n(n + 1) \/ 2.<\/p>\n<\/details>\n 5. \u221a625 = ? (c) 25<\/p>\n 45 X 45 = 2025. 6. What least number must be added to 720 to make it a perfect square? (d) 9<\/p>\n 720 + 5 = 725. 9 should be added to 720 to make it a perfect square number.<\/p>\n<\/details>\n 7. \u221a0.81 = ? (a) 0.9<\/p>\n \u221a0.81 =\u221a0.9 X 0.9 = 0.9. 8. \u221a0.00065536 is equal to (b) 0.0256<\/p>\n (a) 0.256 X 0.256 = 0.065536. 9. \u221a1.0219 = ? (a) 1.0109<\/p>\n (a) 1. 0109 X 1.0109 = 1.0219. 10. \u221a0.25 \u00d7 \u221a1.6 = ? (b) 0.2<\/p>\n \u221a0.25 \u00d7 \u221a1.6 =\u221a0.5 x 0.5\u00d7 \u221a0.4 x 0.4 11. \u221a289\/\u221a256 = ? (c) 17 \/ 16<\/p>\n \u221a289\/\u221a256 = \u221a17 X 17 \/ \u221a16 X 16. 12. \u221a6084\/144 = ? (d) 39 \/ 6<\/p>\n \u221a6084\/144 =\u221a 78 X 78 \/ 12 X 12. 13. Find the square root of 3844 (c) 62<\/p>\n Square root of 3844 = 62 X 62. 14. Evaluate \u221a4562496 (b) 2136<\/p>\n \u221a4562496 = \u221a2136 X 2136. 15. Find the value of 49^2 X 25^2 = ? (b) 1500625<\/p>\n 49^2 X 25^2 = (49 X 49) X (25 X 25). 16. 15^2 + \u221a0.81 + 25 = ? (a) 250.9<\/p>\n 15^2 + \u221a0.81 + 25 = 15 X 15 + \u221a0.9 X 0.9 + 25. 17. 25% of 125 + ? = 250 (d) 218.75<\/p>\n 25% of 125 + x = 250. 18.\u221a 324 + \u221a576 = ? (a) 42<\/p>\n \u221a 324 + \u221a576 = \u221a 18 X 18 + \u221a24 X 24. 19.\u221a 625\/ 25 + \u221a 289 \/ 17 + \u221a 256 \/ 4 = ? (d) 5<\/p>\n \u221a 625\/ 25 + \u221a 289 \/ 17 + \u221a 256 \/ 4 =\u221a 25 x 25 \/ 25 + \u221a 17 x 17 \/ 17 + \u221a 16 x 16 \/ 4. 20. \u221a25 x \u221a49 x \u221a36 = ? (b) 210<\/p>\n \u221a25 x \u221a49 x \u221a36 = \u221a5 x 5 x \u221a7 x 7 x \u221a6 x 6 = 5 x 7 x 6 = 210. In practice tests on square and square roots, we are providing different methods of problems with solutions. We are providing four options for every question. Practice the test paper on square roots and find the correct answer for the given questions. Improve your preparation level for every problem. Different methods included for every problem. Therefore, … Read more<\/a><\/p>\n","protected":false},"author":3,"featured_media":49842,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/ccssanswers.com\/wp-content\/uploads\/2021\/02\/Practice-Test-on-Square-and-Square-Roots.png","_links":{"self":[{"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/posts\/49833"}],"collection":[{"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/comments?post=49833"}],"version-history":[{"count":1,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/posts\/49833\/revisions"}],"predecessor-version":[{"id":138362,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/posts\/49833\/revisions\/138362"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/media\/49842"}],"wp:attachment":[{"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/media?parent=49833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/categories?post=49833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/tags?post=49833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Objective Questions on Square and Square Roots<\/h2>\n
\n(a) 131
\n(b) 144
\n(c) 165
\n(d) 251<\/p>\nSolution:<\/summary>\n
\n11 X 11 = 121
\n12 X 12 = 144
\n13 X 13 = 169
\n14 X 14 = 196
\n15 X 15 = 225
\n16 X 16 = 256
\nFrm the given numbers, there is only option available that is a perfect square.
\nSo, the perfect square number is 144. So the answer is an option (b).<\/p>\n<\/details>\n
\n
\n(a) 6
\n(b) 4
\n(c) 8
\n(d) 5<\/p>\nSolution:<\/summary>\n
\n1 X 1 = 1
\n2 X 2 = 4
\n3 X 3 = 9
\n4 X 4 = 16
\n5 X 5 = 25
\n6 X 6 = 36
\n7 X 7 = 49
\n8 X 8 = 64
\n9 X 9 = 81
\n10 X 10 = 100
\nIn the units place we will get the numbers like 1, 4, 9, 6, 5, and 0.
\nSo, the square numbers can never have the digit \u20188\u2019 at the unit’s place.<\/p>\n<\/details>\n
\n
\n(a) (2, 4, 6)
\n(b) (5, 8, 2)
\n(c) (2, 9, 5)
\n(d) (3, 4, 5)<\/p>\nSolution:<\/summary>\n
\n(a) (2, 4, 6)
\nHere, x = 2, y = 4, z = 6.
\n2^2 + 4^2 = 6^2.
\n4 + 16 = 36.
\n20 is not equal to 36.
\n(b) (5, 8, 2)
\nHere, x = 5, y = 8, z = 2.
\n5^2 + 8^2 = 2^2.
\n25 + 64 = 4.
\n91 is not equal to 4.
\n(c) (2, 9, 5)
\nHere, x = 2, y = 9, z = 5.
\n2^2 + 9^2 = 5^2.
\n4 + 81 = 25.
\n85 is not equal to 25.
\n(d) (3, 4, 5)
\nHere, x = 3, y = 4, z = 5.
\n3^2 + 4^2 = 5^2.
\n9 + 16 = 25.
\n25 is equal to 25.
\nSo, (3, 4, 5) is a Pythagorean triplet.
\nOption (d) is Pythagorean triplet.<\/p>\n<\/details>\n
\n
\n(a) n^2
\n(b) n(n + 1) \/ 2
\n(c) n\u00b2 + 1
\n(d) (2n\u00b2 – 1) \/ 2<\/p>\nSolution:<\/summary>\n
\n
\n(a) 45
\n(b) 35
\n(c) 25
\n(d) 55<\/p>\nSolution:<\/summary>\n
\n35 X 35 = 1225.
\n25 X 25 = 625.
\n55 X 55 = 3025.
\n\u221a625 = \u221a25 X 25 = 25.
\nOption (c) is the answer.<\/p>\n<\/details>\n
\n
\n(a) 5
\n(b) 2
\n(c) 7
\n(d) 9<\/p>\nSolution:<\/summary>\n
\n720 + 2 = 722.
\n720 + 7 = 727.
\n720 + 9 = 729.
\n27 X 27 = 729.<\/p>\n
\n
\n(a) 0.9
\n(b) 0.09
\n(c) 0.99
\n(d) 0.96<\/p>\nSolution:<\/summary>\n
\nOption (a) is the answer.<\/p>\n<\/details>\n
\n
\n(a) 0.256
\n(b) 0.0256
\n(c) 0.00256
\n(d) 0.000256<\/p>\nSolution:<\/summary>\n
\n(b) 0.0256 X 0.0256 = 0.00065536.
\n(c) 0.00256 X 0.00256 = 0.0000065536.
\n(d) 0.000256 X 0.000256 = 6.5536e-8.
\nOption (b) is the answer.<\/p>\n<\/details>\n
\n
\n(a) 1.0109
\n(b) 1.03
\n(c) 0.505
\n(d) 1.056<\/p>\nSolution:<\/summary>\n
\n(b) 1. 03 X 1.03 = 1.0609.
\n(c) 0.505 X 0.505 = 0.255025.
\n(d) 1. 056 X 1.056 = 1.115136.
\nOption (a) is the answer.<\/p>\n<\/details>\n
\n
\n(a) 0.15
\n(b) 0.2
\n(c) 0.25
\n(d) 20<\/p>\nSolution:<\/summary>\n
\n= 0.5 x 0.4 = 0.2.
\nOption (b) is the answer.<\/p>\n<\/details>\n
\n
\n(a) 3 \/ 25
\n(b) 30 \u221a32
\n(c) 17 \/ 16
\n(d) 1.25<\/p>\nSolution:<\/summary>\n
\n= 17 \/ 16.
\nOption (c) is the answer.<\/p>\n<\/details>\n
\n
\n(a) 22 \/ 17
\n(b) 25 \/ 12
\n(c) 32 \/ 4
\n(d) 39 \/ 6<\/p>\nSolution:<\/summary>\n
\n= 78 \/ 12.
\n= 2 x 39 \/ 2 x 6.
\n= 39 \/ 6.
\nOption (d) is the answer.<\/p>\n<\/details>\n
\n
\n(a) 56
\n(b) 52
\n(c) 62
\n(d) 65<\/p>\nSolution:<\/summary>\n
\nSo, the square root of 3844 is 62
\nOption ( c) is the answer.<\/p>\n<\/details>\n
\n
\n(a) 2256
\n(b) 2136
\n(c) 2563
\n(d) 2222<\/p>\nSolution:<\/summary>\n
\n= 2136.
\nOption (b) is the answer.<\/p>\n<\/details>\n
\n
\n(a) 1501621
\n(b) 1500625
\n(c ) 1502624
\n(d)1500725<\/p>\nSolution:<\/summary>\n
\n= 2401 X 625.
\n= 1500625.
\nOption (b) is the answer.<\/p>\n<\/details>\n
\n
\n(a) 250.9
\n(b) 252.9
\n(c) 251.9
\n(d) 255.9<\/p>\nSolution:<\/summary>\n
\n= 225 + 0.9 + 25.
\n= 250.9.
\nOption (a) is the answer.<\/p>\n<\/details>\n
\n
\n(a) 218
\n(b) 220.75
\n(c) 225.75
\n(d) 218.75<\/p>\nSolution:<\/summary>\n
\n25 \/ 100 (125) + x = 250.
\n31.25 + x = 250.
\nx = 250 \u2013 31.25 = 218.75.
\noption (d) is answer.<\/p>\n
\n(a) 42
\n(b) 52
\n(c) 62
\n(d) 72<\/p>\nSolution:<\/summary>\n
\n= 18 + 24.
\n= 42.
\nOption (a) is the answer.<\/p>\n<\/details>\n
\n
\n(a) 2
\n(b) 3
\n(c) 4
\n(d) 5<\/p>\nSolution:<\/summary>\n
\n= 25 \/ 25 + 17 \/ 17 + 16 \/ 4.
\n= 1 + 1 + 4.
\n= 5.
\nOption (d) is the answer.<\/p>\n<\/details>\n
\n
\n(a) 250
\n(b) 210
\n(c) 240
\n(d) 260<\/p>\nSolution:<\/summary>\n
\nOption (b) is the answer.<\/p>\n<\/details>\n
\n<\/details>\n","protected":false},"excerpt":{"rendered":"