1. Tick the correct alternative :<br /><br />i. The square root of 37.21<br /><br />a) 6.9 b) 5.9 c) 6.1 d) 5.1<br /><br />ii. The square root of 0.4<br /><br />a) 0.2 b) 0.02 c) 0.63 d) 0.16<br /><br />iii. If , then value of is<br /><br />a) 1 b) 7 c) 13 d) 25<br /><br />iv. The least number to be subtracted from 743 to get a perfect square is<br /><br />a) 14 b) 41 c) 98 d) 118<br /><br />2. Which of the following are Pythagorean triplets:<br /><br />i. 3,4,5 ii. 20,24,29 iii. 30,40,50 iv. 7,24,25<br /><br />3. Find the smallest number by which 14700 should be divided so that it becomes a perfect <br /><br />square. Also find the square root of the number obtained.<br /><br />4. Find the least number which must be added to 92700 to make it a perfect square.<br /><br />5. Find the least number which must be subtracted from 194491 to make it a perfect square.<br /><br />6. 9811 men are to be arranged in rows to form a perfect square. Find the number of men in <br /><br />each row and the number left out.<br /><br />7. Which of the following are perfect squares?<br /><br />i. 4225 ii. 4517 iii. 1024<br /><br />7. Find the least number by which 7688 should be multiplied so that the resulting number <br /><br />becomes a perfect square.<br /><br />8. Find the greatest 3-digit number which is a perfect square.<br /><br />9. Find the least 4-digit number which is a perfect square.<br /><br />10. By division method, find the square root of<br /><br />i. 5929 ii. 3364 iii. 11025 iv. 571536<br /><br />11. Find the square root of <br /><br />i. ii. iii. iv.<br /><br />12. Find the square root of <br /><br />i. 6.4009 ii. 26.01 iii. 0.0324 iv. 70.56<br /><br />13. The area of a square field is 60025 sq m. Find the perimeter of the field.<br /><br />14. Find the square root of 362.1409<br /><br />15. During Diwali, Daya Shankar got a bonus of Rs 21025 by his employer. He decided to give a <br /><br />part of his bonus to one of his widow aunt at his village. He decided that the amount will be <br /><br />the square root of Rs 21025.<br /><br />i. How much amount did he give to his aunt?<br /><br />ii. The correct word for Daya Shankar is<br /><br />a) Fool b) Wise/Good c) Bad d) None of these
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