Transcription of Chapter-1 Squares and Square Roots
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Chapter-1 Squares and Square Roots
Chapter-1 . Squares and Square Roots 1. Which of them is a perfect Square ? a) 576 b)941 c)65 d)none 2. Which of the following is not a perfect Square ? a)62500 b)57600 c)90000 d)63147. 3. Which of the following will have 4 at units place? a)142 b)622 c)272 d)352. 4. By observing the digits at ones place ,tell which of the following can be perfect Square a)100 b)927 c)625 d)576. 5. If one number of the Pythagorean triplet is 2m then the other two are a)m, m2+1 b)m2+1,m2-1 c)m2,m2+1 d)m , m2. 6. How many natural numbers lie between 52and62? a)9 b)10 c)11 d)12. 7. Which of the following triplets are Pythagorean? a)(8,15,17) b)(12,35,38) c) (14,48,51). 8. Which of the following is the Square root of 7056? a) 86 b) 34 c) 54 d) 84. 9. Find the Squares of the following numbers i)25 ii)30 iii)12.
Squares and Square Roots 1. Which of them is a perfect square? a) 576 b)941 c)65 d)none 2. Which of the following is not a perfect square? a)62500 b)57600 c)90000 d)63147 3. Which of the following will have 4 at units place? a)14 2 b)62 c)27 d)35 2 4.
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